Steel Rigid Couplings

Last Updated: April 1, 2025

Description

Steel rigid couplings are mechanical devices used to connect two shafts together in a fixed alignment. They are designed to transmit torque and rotational motion from one shaft to another without allowing any relative motion between the connected shafts. These couplings are typically made from steel, providing high strength and durability, which makes them suitable for applications requiring robust performance.

Working Principle

Steel rigid couplings work by clamping onto the shafts they connect, creating a solid and inflexible link between them. This rigid connection ensures that the shafts remain perfectly aligned, allowing for efficient transmission of torque and rotational motion. The primary advantage of this design is its ability to maintain precise alignment, which is crucial in applications where accuracy and stability are paramount. By eliminating any relative movement between the shafts, steel rigid couplings help prevent misalignment-related issues, such as vibration and wear, thereby enhancing the overall reliability of the mechanical system.

Applications

Steel rigid couplings are commonly used in applications where precise shaft alignment is critical. For example, they are often employed in servo-driven systems within the semiconductor, medical, packaging, and robotics industries, where high torque and torsional stiffness are required . Additionally, they are used in food equipment, where the couplings are manufactured from lead-free steel with a black oxide finish for general-purpose applications .

Advantages over other Rigid Couplings

Steel rigid couplings offer several advantages over other types of rigid couplings. They provide significantly more torque and torsional stiffness compared to flexible couplings, making them ideal for high-performance applications . The use of steel as a material ensures high strength and durability, which is essential for demanding industrial environments.

Limitations

One of the primary limitations of steel rigid couplings is their inability to accommodate any misalignment between the connected shafts. This can lead to premature bearing failures if used in applications where perfect alignment cannot be maintained . Additionally, the increased inertia associated with steel couplings can be a concern in applications where low inertia is desired .

Considerations

When selecting steel rigid couplings, several factors should be considered. Initial costs may be higher compared to flexible couplings due to the material and manufacturing processes involved. However, their durability and high performance can offset these costs over time. Operating expenses may be lower due to reduced maintenance needs, as the rigid design minimizes wear and tear. Durability is a significant advantage, as steel couplings are less prone to damage and can withstand harsh operating conditions. However, the lack of flexibility means that any misalignment must be carefully managed to avoid potential damage to the system. Replacement and maintenance costs are generally low, provided that the couplings are used in applications with proper alignment and load conditions.

88 Results
Rigid Shaft Bolt Coupling
from jbj Techniques Limited

This bolt coupling is a rigid shaft coupling. It is made of two halves, which are cast iron grade GG25 connected by means of bolts. It is maintenance and lubrication free. Additionally, its construction prevents fretting corrosion and allows for easy mounting and dismounting. The bolt coupling is... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: Two Piece Clamping Style
  • Features: Opposing Screws
Self-aligning quick coupling -- FK-1 1/2-12
from Festo Corporation

self-aligning rod coupler FK-11/2-12 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=1 1/2-12 UNF-2B, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=5800 g, Materials note=(* Free of... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 12.98
CPC1:One-Piece Clamp Style Rigid Coupling with Keyway
from Hangzhou Chinabase Machinery Co., Ltd.

China manufacturer of couplings, specialist in:china couplings ,chain couplings ,Jaw couplings ,flexible couplings ,HRC couplings ,NM couplings ,MH couplings ,Pin coupling ,Spacer Coupling ,Flange Coupling ,Sleeve Coupling,nylon... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.3750 to 2
Rigid Couplings -- 1913179 [MCLC-10-10-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

Rigid Coupling, Bores 10mmx10mm, OD 29mm [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • O.D.: 1.14
  • Units: Metric Design Arrangement
  • Length: 1.77
Rigid Shaft Flange Coupling
from jbj Techniques Limited

Flange Coupling. Two separate flange hubs with a keyed fit to the individual shaft. These two flanges will be joined together via a set of bolts. One flange with a projected pilot or spigot and the other flange will have a corresponding recess to facilitate good alignment of the flanges. Generally... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: Two Piece Clamping Style
  • Features: Keyway
Self-aligning quick coupling -- FK-M10X1,25
from Festo Corporation

self-aligning rod coupler FK-M10X1,25 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M10x1,25, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=210 g, Materials note=(* Free of copper... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 0.4851
Nylon Sleeve Coupling
from Hangzhou Chinabase Machinery Co., Ltd.

China manufacturer of couplings, specialist in:china couplings ,chain couplings ,Jaw couplings ,flexible couplings ,HRC couplings ,NM couplings ,MH couplings ,Pin coupling ,Spacer Coupling ,Flange Coupling ,Sleeve Coupling,nylon... [See More]

  • Material: Carbon / Alloy Steel; Nylon
  • Features: Keyway
Rigid Couplings -- 2969838 [MCLX-10-10-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

MS rigid 1 piece coupling,10x10mm bore [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design; One Piece Clamping Style
  • Bore 1: 0.3937
Rigid Shaft Keyed Sleeve Coupling
from jbj Techniques Limited

The sleeve coupling is the most straight forward type of rigid coupling, also know as a ‘muff ’ coupling. It is a machined cylinder that joins two shafts, usually a drive shaft and a driven shaft, used when two shafts are well aligned with little or no misalignment. Due to the coupling... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: One Piece Set Screw Design; One Piece Clamping Style
  • Features: Opposing Screws
Self-aligning quick coupling -- FK-M12X1,25
from Festo Corporation

self-aligning rod coupler FK-M12X1,25 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M12x1,25, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=215 g, Materials note=(* Free of copper... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 0.4991
Rigid Couplings -- 2969894 [MCLX-15-15-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

MS rigid 1 piece coupling,15x15mm bore [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design; One Piece Clamping Style
  • Bore 1: 0.5906
Rigid Shaft Splined Sleeve Coupling
from jbj Techniques Limited

Splined Sleeve Coupling. The spline coupling distributes the torque around the circumference of the coupling by way of the multiple spline grooves in conjunction with the splines on the shaft making these type of sleeve couplings better suited to higher speeds and torque applications. [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: One Piece Clamping Style
Self-aligning quick coupling -- FK-M16X1,5
from Festo Corporation

self-aligning rod coupler FK-M16X1,5 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M16x1,5, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=650 g, Materials note=(* Free of copper and... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 1.49
Rigid Couplings -- 2969945 [MCLC-30-30-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

MS rigid 1 piece coupling,30x30mm bore [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design; One Piece Clamping Style
  • Bore 1: 1.18
Self-aligning quick coupling -- FK-M20X1,5
from Festo Corporation

self-aligning rod coupler FK-M20X1,5 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M20x1,5, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=720 g, Materials note=(* Free of copper and... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 1.65
Rigid Couplings -- 4490362 [MCLX-20-20-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

MS rigid 1 piece coupling,20x20mm bore [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design; One Piece Clamping Style
  • Bore 1: 0.7874
Self-aligning quick coupling -- FK-M27X2
from Festo Corporation

self-aligning rod coupler FK-M27X2 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M27x2, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=2100 g, Materials note=(* Free of copper and... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 4.47
Rigid Couplings -- 4490413 [MSPX-12-12-F from Ruland Manufacturing Co., Inc.]
from RS Components, Ltd.

Steel rigid 2piece coupling,12x12mm bore [See More]

  • Material: Carbon / Alloy Steel; Black Oxide Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design; Two Piece Clamping Style
  • Bore 1: 0.4724
Self-aligning quick coupling -- FK-M6
from Festo Corporation

self-aligning rod coupler FK-M6 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M6, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=23 g, Materials note=(* Free of copper and PTFE, *... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 0.0472
Self-aligning quick coupling -- FK-M8
from Festo Corporation

self-aligning rod coupler FK-M8 Compensates for angular and radial misalignment, for fitting on piston rod side. Size=M8, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=50 g, Materials note=(* Free of copper and PTFE, *... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Weight: 0.1103
Rigid Coupling with Radially Located Parts for Vertical Applications -- C Series
from John Crane, Inc.

C series rigid couplings incorporate a segmented, piloted locating design. This eliminates the shaft distortion associated with conventional ‘clam shell ’ coupling designs where the motor shaft supports the pump shaft, and there are no bearings in the pump. It can also be used in... [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 10.5
  • Design: 3-Piece Shrink Disc Clamping Style
  • Features: Opposing Screws
GERWAH™ Line shafts -- AKN-ZW
from Ringfeder Power Transmission USA Corporation

The AKN-ZW is a backlash free, torsionally stiff Metal Bellows Coupling in Line shaft design. Because of the double cardanic system, the compensating of high shaft displacements are possible. Due to the flange connection, the radial mounting is possible. Backlash-free Line Shafts Series. Torsionally... [See More]

  • Material: Carbon / Alloy Steel; Aluminum
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.3150 to 2.44
Keyless Rigid Shaft Couplings
from Climax Metal Products Company

Climax Metal Products Company stocks a complete line of shaft-to-shaft Keyless Rigid Couplings for shaft diameters ranging from 5/8" through 4- ¼" and from 6 mm through 150 mm. CLIMAX Keyless Rigid Couplings provide high torque and bending moment capacity and can be supplied to couple unequal... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Clamping Style
  • Bore 1: 0.6250 to 5.91
SD Series 10 -- 24-10
from Fenner Drives

Standard duty, molybdenum disulphide based lubricant [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.9450
Double Wide One-Piece Shaft Collar -- WCL
from Ruland Manufacturing Co., Inc.

Features. Does not mar the shaft. Superior fit, finish and holding power. Excellent for high axial loads. Transmit torque in confined spaces. Step bores available. Additional sizes available. RoHS2 and REACH Compliant. Width tolerance: +.003"/-.010". Bore tolerance: +.002"/+.0005". Temperature Range... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.1250 to 2
Locking Alignment Couplers
from Taper Line, Inc.

Locks on rod threads without the use of jam nuts, dowels or roll pins. Vibration free and shake proof. Works in both directions. Has 1/16 axial and 2 ° spherical movement. Allows for limited misalignment which in turn reduces seal and bearing wear. [See More]

  • Material: Carbon / Alloy Steel
  • Design: One Piece Set Screw Design
Rigid Coupling -- CC-105 [CC-105 from Collars & Couplings, Inc.]
from Reid Supply

Featuring one-piece clamp, two-piece clamp and set screw styles. Keyed and keyless bores available. Clamp screws are forged and treated with an anti-vibration coating to keep them from loosening. . CC-105 [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000
  • Units: English Design Arrangement
  • Bore 2: 0.5000
Industrial Coupling -- Rigid
from Renold Canada

An all steel flanged rigid coupling suitable for all rigid shaft connections. Coupling Capacity. Maximum bore: 11 inches. Features & Benefits. All steel construction for use in heavy duty applications. Flanged half bodies for a positive shaft connection. Maintenance free - no wearing parts. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5512 to 11.42
  • Units: Metric Design Arrangement
  • Bore 2: 0.5512 to 4.92
Falk 0246652 Hubs Grid Coupling Parts & Kits -- 0246652
from RegalRexnord

Falk T10_T20 Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Hubs size(s) 1020T with a 1.560-inch outside barrel diameter and 1.88-inch length for grid couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 1.12
  • Units: English Design Arrangement
  • O.D.: 1.56
1-Piece Clamp-Type with Keyways Metric Couplings -- 5LM030030K
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 1-Piece Clamp-Type Coupling makes two shafts function as one. Standard keyways provide added torque capacity and fixed shaft phasing. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and shaft extensions. [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 1.18
GERWAH™ Rigid Disc Coupling with Keyway-hubs -- GWS 5422
from Ringfeder Power Transmission USA Corporation

Rigid disc coupling with keyway-hubs. The whole coupling and the torque limiter can be dismounted without displacement of the motor, driven shaft and of the hubs. GERWAH ® Safety Couplings Series GWS. GERWAH heavy load couplings in the GWS series are specially designed for overload protection in... [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 1.18 to 7.87
  • Units: Metric Design Arrangement
  • O.D.: 7.87 to 16.54
Keyless Shaft Locking Assemblies
from Climax Metal Products Company

Climax Metal Products Company stocks a complete line of industry-standard internal Keyless Locking Assemblies for shaft diameters ranging from ¼" to 8" and from 6 mm to 400 mm. Non-standard dimensions, special made-to-order designs, Martinsitic stainless steel and industry-standard plating... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Clamping Style
  • Bore 1: 0.2500 to 8
Double Wide Two-Piece Shaft Collar -- WSP
from Ruland Manufacturing Co., Inc.

Features. Does not mar the shaft. Superior fit, finish and holding power. Opposing hardware for balance. Excellent for high axial loads. Transmit torque in confined spaces. Step bores available. Additional sizes available. RoHS2 and REACH Compliant. Width tolerance: +.003"/-.010". Bore tolerance:... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.1250 to 2
Rigid Coupling -- CC-150 [CC-150 from Collars & Couplings, Inc.]
from Reid Supply

Featuring one-piece clamp, two-piece clamp and set screw styles. Keyed and keyless bores available. Clamp screws are forged and treated with an anti-vibration coating to keep them from loosening. . CC-150 [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000
  • Units: English Design Arrangement
  • Bore 2: 0.2362
Falk 0251670 Hubs Grid Coupling Parts & Kits -- 0251670
from RegalRexnord

Falk T31_T35 Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Shaft Hubs size(s) 1020T with a 2.060-inch outside barrel diameter and 1.38-inch length for grid couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 1.38
  • Units: English Design Arrangement
  • O.D.: 2.06
100:1 Phase Adjuster Steel Coupling -- 10PA008
from Stafford Manufacturing Corp.

Shaft Adapters are designed to modify, extend or repair an existing shaft and provide a fully machineable male output shaft with minimum effort and expense. Standard keyways provide added torque capacity and fixed shaft phasing. For use on standard hardened round shafts, Shaft Adapters are precision... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000
One-Piece Shaft Clamping Couplings
from Climax Metal Products Company

One-Piece Clamping Couplings are designed to handle applications that require a greater torque capacity than Set Screw Couplings without marring the shaft. Recessed screw styles of One-Piece Clamping Couplings are available to provide safety with an outside surface free of major projections. [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Clamping Style
  • Bore 1: 0.2500
Metric Double Wide Shaft Collar -- MWSP
from Ruland Manufacturing Co., Inc.

Features. Does not mar the shaft. Superior fit, finish and holding power. Opposing hardware for balance. Excellent for high axial loads. Transmit torque in confined spaces. Step bores available. Additional sizes available. RoHS2 and REACH Compliant. Width tolerance: +.076mm/-.254mm. Bore tolerance:... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.2362 to 0.9843
Rigid Coupling -- CC-405 [CC-405 from Collars & Couplings, Inc.]
from Reid Supply

Featuring one-piece clamp, two-piece clamp and set screw styles. Keyed and keyless bores available. Clamp screws are forged and treated with an anti-vibration coating to keep them from loosening. . CC-405 [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000
  • Units: English Design Arrangement
  • Bore 2: 0.5000
Falk 0253201 Hubs Grid Coupling Parts & Kits -- 0253201
from RegalRexnord

0 [See More]

  • Material: Carbon / Alloy Steel
  • O.D.: 2.34
  • Units: English Design Arrangement
  • Length: 1.62
100:1 Phasse Adjuster Couplings -- 10PA008
from Stafford Manufacturing Corp.

The 100:1 Phase Adjuster Coupling is a multi-function component with unique capabilities. As a coupling it makes it easy to adjust the phase relationship between two shafts. As a component mount, it makes it easy to adjust the phase relationship between shaft and a mounted component. Phase... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.5000
Re-Machinable Shaft Couplings
from Climax Metal Products Company

These unique Two-Piece Re-Machinable Couplings are designed with an undersized ID which allows room to re-bore the ID without damaging the clamp screws. Pilot bore can be opened to the nominal ID reflected in the part number. Two-Piece Clamping Couplings are designed to handle applications that... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Clamping Style
  • Bore 1: 0.2500 to 2
One-Piece Rigid Coupling | Inch -- CLX
from Ruland Manufacturing Co., Inc.

Features. Precision honed bores. Does not mar the shaft. Nypatch ® Anti-vibration hardware. Additional Step Bores available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002 ”/+.0005 ”. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Aluminum: -40... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.1250 to 2
Rigid Coupling -- SC-1000 [SC-1000 from Collars & Couplings, Inc.]
from Reid Supply

Featuring one-piece clamp, two-piece clamp and set screw styles. Keyed and keyless bores available. Clamp screws are forged and treated with an anti-vibration coating to keep them from loosening. . SC-1000 [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 1
Falk 0257550 Hubs Grid Coupling Parts & Kits -- 0257550
from RegalRexnord

Falk T10_T20 Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Hubs size(s) 1020T with a 1.560-inch outside barrel diameter and 3.875-inch length for grid couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 1.12
  • Units: English Design Arrangement
  • O.D.: 1.56
2-Piece Steel Clamp-Type Couplings with Keyways -- 5L008008FK
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 2-Piece Clamp-Type Coupling makes two shafts function as one. This coupling comes completely apart to allow the most convenient assembly and adjustment. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000
Set Screw Shaft Couplings
from Climax Metal Products Company

Set Screw Couplings are the most cost effective rigid coupling design. If additional torque capacity is required, Climax provides Set Screw Couplings with a second set of screws at 90 °. Set Screw Couplings are the most cost effective rigid coupling design. If additional torque capacity is... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Set Screw Design
  • Bore 1: 0.2500 to 2
One-Piece Rigid Coupling | Metric -- MCLX
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® Anti-vibration hardware. Additional Step Bores available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance:... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: Metric Design Arrangement
  • Design: One Piece Clamping Style; Two Piece Clamping Style (optional feature); 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.1181 to 1.97
Falk 0704588 Hubs Grid Coupling Parts & Kits -- 0704588
from RegalRexnord

Falk T10_T20 Series Standard Hubs size(s) 1020T with a 1.560-inch outside barrel diameter and 1.88-inch length for grid couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 0.5010
  • Units: English Design Arrangement
  • O.D.: 1.56
2-Piece Steel Clamp-Type Couplings with Keyways -- 5L012012HDF
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 2-Piece Clamp-Type Coupling makes two shafts function as one. This coupling comes completely apart to allow the most convenient assembly and adjustment. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.7500
Shaft Adapters
from Climax Metal Products Company

Shaft Adapters allow for repairing, altering, extending, increasing or decreasing the current shaft. They are easily installed and compatible with all standard round shafts. Step Down Clamp-on Adapters are ideal for making the shaft smaller and eliminate the need for complete shaft replacement. [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000 to 1.5
One-Piece Rigid Coupling with Keyway | Inch -- CLC
from Ruland Manufacturing Co., Inc.

Features. Precision honed bores. Does not mar the shaft. Nypatch ® Anti-vibration hardware. Additional sizes available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002 ”/+.0005 ”. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Stainless: -40... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.3750 to 2
Falk 0704925 Hubs Grid Coupling Parts & Kits -- 0704925
from RegalRexnord

Falk T31_T35 Series Standard Shaft Hubs size(s) 1020T with a 2.060-inch outside barrel diameter and 1.38-inch length for grid couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 1.38 to 1.38
  • Units: English Design Arrangement
  • O.D.: 2.06
3-Piece Steel Clamp-Type Couplings -- 5L008008T
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 3-Piece Clamp-Type Coupling makes two shafts function as one. It can remain fixed to one shaft while the other is moved or changed, or come completely apart to allow the most convenient assembly and adjustment. It is ideal for overhung or unsupported shafts and is an... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: 3-Piece Shrink Disc Clamping Style
  • Bore 1: 0.5000
Shrink Discs
from Climax Metal Products Company

A complete line of external Shrink Discs in both Standard and Heavy Duty designs. CLIMAX Shrink Discs are manufactured from heat treated high carbon alloy steel and are supplied with zinc-plated outer rings. Non-standard dimensions and special designs are available upon request. External keyless... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: One Piece Clamping Style
  • Bore 1: 0.3750 to 19.68
One-Piece Rigid Coupling with Keyway | Metric -- MCLC
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® Anti-vibration hardware. Additional sizes available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.050mm/+.012mm. [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Clamping Style; Two Piece Clamping Style (optional feature); 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.3150 to 1.97
Falk 0713149 Steelflex T10:T20 Series Standard Hub -- 0713149
from RegalRexnord

1080T HUB NO SET SCREW 2.3730 NON STK [See More]

  • Material: Carbon / Alloy Steel
  • O.D.: 4.12
  • Units: English Design Arrangement
  • Length: 3.5
Inch/Metric Conversion Coupling 2-Piece Clamp-Type -- 5L00812M
from Stafford Manufacturing Corp.

Inch-Metric Conversion Couplings feature one side with an inch-sized bore and the other a metric size. A full range of common sizes is included in the selection. External dimensions and screws are inch. They can be further modified by the user or Stafford to include keyways. Designed for aligned... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.5000
Two-Piece Shaft Clamping Couplings
from Climax Metal Products Company

Two-Piece Clamping Couplings are designed to handle applications that require a greater torque capacity than Set Screw Couplings and One-Piece Couplings without marring the shaft. Recessed screw styles of Two-Piece Clamping Couplings are available to provide safety with an outside surface free of... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
  • Units: English Design Arrangement; Metric Design Arrangement (optional feature)
  • Design: Two Piece Clamping Style
  • Bore 1: 0.2500
Set Screw Rigid Coupling | Inch -- SCX
from Ruland Manufacturing Co., Inc.

Features. Precision honed bore on straight bore couplings. Clamp style couplings available. Additional sizes available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002 ”/+.0005 ”. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Stainless: -40 °... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.2500 to 2
Falk 0744650 Hubs-Flex Gear Coupling Parts & Kits -- 0744650
from RegalRexnord

Falk G Series Stock Flex Hubs size(s) 1010G with a 2.700-inch outside barrel diameter and 1.69-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.7490 to 0.7495
  • Units: English Design Arrangement
  • O.D.: 2.7
Inch/Metric Conversion Coupling 2-Piece Clamp-Type -- 5L00812MF
from Stafford Manufacturing Corp.

Inch-Metric Conversion Couplings feature one side with an inch-sized bore and the other a metric size. A full range of common sizes is included in the selection. External dimensions and screws are inch. They can be further modified by the user or Stafford to include keyways. Designed for aligned... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement; Metric Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000
Set Screw Rigid Coupling | Metric -- MSCX
from Ruland Manufacturing Co., Inc.

Features. Precision honed bore on straight bore couplings. Clamp style couplings available. Additional sizes available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.050mm/+.012mm. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Stainless: -40 ° to 350 ° [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.2362 to 1.97
Falk 1203216 Hubs-Flex Gear Coupling Parts & Kits -- 1203216
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Flex Hubs size(s) 1010G RSB with a 2.700-inch outside barrel diameter and 1.69-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 1.88
  • Units: English Design Arrangement
  • O.D.: 2.7
Metric Couplings Two Piece Steel Clamp Style -- 5LM006006F
from Stafford Manufacturing Corp.

Stafford Metric Rigid Shaft Couplings are fully metric in all specifications, including the clamping screws. Designed for aligned shafts, the 2-Piece Clamp-Type Coupling makes two shafts function as one. This coupling comes completely apart to allow the most convenient assembly and adjustment. It is... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.2362
Set Screw Rigid Coupling with Keyway | Inch -- SCC
from Ruland Manufacturing Co., Inc.

Features. Precision honed bore on straight bore couplings. Clamp style couplings available. Additional sizes available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002 ”/+.0005 ”. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Stainless: -40 °... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.3750 to 2
Falk 1203218 Hubs-Flex Gear Coupling Parts & Kits -- 1203218
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Flex Hubs size(s) 1020G RSB with a 4.140-inch outside barrel diameter and 2.44-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 1 to 2.88
  • Units: English Design Arrangement
  • O.D.: 4.14
Metric One Piece Steel Couplings -- 5LM006006
from Stafford Manufacturing Corp.

Stafford Metric Rigid Shaft Couplings are fully metric in all specifications, including the clamping screws. Designed for aligned shafts, the 1-Piece Clamp-Type Coupling makes two shafts function as one. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as... [See More]

  • Material: Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.2362
Set Screw Rigid Coupling with Keyway | Metric -- MSCC
from Ruland Manufacturing Co., Inc.

Features. Precision honed bore on straight bore couplings. Clamp style couplings available. Additional sizes available. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.050mm/+.012mm. Temperature Range (Deg. F). Steel: -40 ° to 350 °. Stainless: -40 ° to 350 ° [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: One Piece Set Screw Design
  • Bore 1: 0.3150 to 1.97
Falk 1203228 Hubs-Flex Gear Coupling Parts & Kits -- 1203228
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Flex Hubs size(s) 1010G RSB with a 2.700-inch outside barrel diameter and 4.00-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 1.88
  • Units: English Design Arrangement
  • O.D.: 2.7
One Piece Clamp Style Steel Remachineable Couplings -- 5L010010REM
from Stafford Manufacturing Corp.

Remachineable Couplings are complete, except that they are supplied with a precision finished bore on one side and a pilot hole only on the other. They are designed to connect two dissimilar sized shafts in virtually any combination up to a 2 ” bore and maintain concentricity between each... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.6250
Two-Piece Rigid Coupling | Inch -- SPX
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® anti-vibration hardware. Additional step bores available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.1250 to 2
Falk 1203650 Hubs-Rigid Gear Coupling Parts & Kits -- 1203650
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Shrouded Bolts Rigid Hubs size(s) 1010G RSB with a 3.300-inch outside barrel diameter and 1.56-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 2.38
  • Units: English Design Arrangement
  • O.D.: 3.3
One-Piece Steel Clamp-Type Couplings -- 7L004004
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 1-Piece Clamp-Type Coupling makes two shafts function as one. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and shaft extensions. Clamp-Type Couplings are available in straight-through or stepped bores. [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.2500
Two-Piece Rigid Coupling | Metric -- MSPX
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® anti-vibration hardware. Additional step bores available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance:... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.1181 to 1.97
Falk 1203680 Hubs-Rigid Gear Coupling Parts & Kits -- 1203680
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Exposed Bolts Rigid Hubs size(s) 1010G RSB with a 3.300-inch outside barrel diameter and 1.56-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 2.38
  • Units: English Design Arrangement
  • O.D.: 3.3
One-Piece Steel Clamp-Type Couplings with Keyways -- 5L008008K
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 1-Piece Clamp-Type Coupling makes two shafts function as one. It is ideal for overhung or unsupported shafts and is an excellent way to attach items such as mixer paddles and shaft extensions. Clamp-Type Couplings are available in straight-through or stepped bores. [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.5000
Two-Piece Rigid Coupling with Keyway | Inch -- SPC
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® anti-vibration hardware. Additional step bores available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance: +.002... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.3750 to 2
Falk 1203692 Hubs-Rigid Gear Coupling Parts & Kits -- 1203692
from RegalRexnord

Falk G Series Straight Bore Style-Small Through Hole-Rough Stock (RSB) Exposed Bolts Rigid Hubs size(s) 1010G RSB with a 3.300-inch outside barrel diameter and 4.00-inch length for gear couplings. [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.5000 to 2.38
  • Units: English Design Arrangement
  • O.D.: 3.3
PowerRing™ Rigid Couplings -- PXL012
from Stafford Manufacturing Corp.

PowerRing ™ Couplings integrate the Stafford PowerRing ™ Shaft-Hub Lock design to transmit up to three times the torque load of conventional clamp-type couplings, without the need for keyways. They are balanced for high speed operation with minimum vibration. Features: Transmit 3X the... [See More]

  • Material: Carbon / Alloy Steel
  • Bore 1: 0.7500
  • Units: English Design Arrangement
  • Bore 2: 0.7500
Two-Piece Rigid Coupling with Keyway | Metric -- MSPC
from Ruland Manufacturing Co., Inc.

Features. 3-piece styles available. Precision honed bore on straight bore couplings. Does not mar the shaft. Nypatch ® anti-vibration hardware. Additional step bores available. Opposing hardware on 2-piece styles. RoHS2 and REACH Compliant. Maximum speed: 4,000 RPM. Bore tolerance:... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: Metric Design Arrangement
  • Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
  • Bore 1: 0.3150 to 1.97
Falk 1204050 Hubs-Flex Gear Coupling Parts & Kits -- 1204050
from RegalRexnord

0 [See More]

  • Material: Carbon / Alloy Steel
  • O.D.: 3.4
  • Units: English Design Arrangement
  • Length: 3
Precision 1-Piece Clamp-Type Sleeve Couplings -- 5L008008KPSC
from Stafford Manufacturing Corp.

Stafford ’s exclusive Precision Sleeve Coupling features a solid center section that provides a close tolerance fit on ground shafting, includes a keyway, and the Accu-Clamp ™ design which incorporates integral self-centering clamping collars at both ends. Designed for use on supported... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.5000
Precision 1-Piece Clamp-Type Sleeve Flange Couplings -- 5L008008KPXC
from Stafford Manufacturing Corp.

The Precision Sleeve Flange coupling allows for mounting components such as gears, motors, brake assemblies etc. to the coupling. The flange includes three through holes and three tapped holes. It features a solid center section that provides a close tolerance fit on ground shafting, includes a... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: One Piece Clamping Style
  • Bore 1: 0.5000
Precision 2-Piece Clamp-Type Sleeve Couplings -- 5L008008FKPSC
from Stafford Manufacturing Corp.

Stafford ’s exclusive Precision Sleeve Coupling features a solid center section that provides a close tolerance fit on ground shafting, includes a keyway, and the Accu-Clamp ™ design which incorporates integral self-centering clamping collars at both ends. Designed for use on supported... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000
Step-Down Type Shaft Adapters -- 5ERL012
from Stafford Manufacturing Corp.

Shaft Adapters are designed to modify, extend or repair an existing shaft and provide a fully machineable male output shaft with minimum effort and expense. For use on standard hardened round shafts, Shaft Adapters are precision machined, non-marring, easy to adjust, with high clamping power. [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.7500
Step-Up Stainless Steel Shaft Adapters with Keyways -- 5ES008K
from Stafford Manufacturing Corp.

Shaft Adapters are designed to modify, extend or repair an existing shaft and provide a fully machineable male output shaft with minimum effort and expense. Standard keyways provide added torque capacity and fixed shaft phasing. For use on standard hardened round shafts, Shaft Adapters are precision... [See More]

  • Material: Stainless Steel; Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • O.D.: 1.25
Step-Up Type Steel Shaft Adapters -- 5EL008
from Stafford Manufacturing Corp.

Designed for aligned shafts, the 3-Piece Clamp-Type Coupling makes two shafts function as one. It can remain fixed to one shaft while the other is moved or changed, or come completely apart to allow the most convenient assembly and adjustment. It is ideal for overhung or unsupported shafts and is an... [See More]

  • Material: Carbon / Alloy Steel
  • Units: English Design Arrangement
  • Design: Two Piece Clamping Style
  • Bore 1: 0.5000