Two Piece Clamp Rigid Couplings
Last Updated: April 1, 2025
Description
Two Piece Clamp Rigid Couplings are mechanical devices designed to connect two shafts together in a fixed position. They consist of two separate halves that are clamped around the shafts, providing a secure and rigid connection. These couplings are available in various materials, including steel, aluminum, and stainless steel, and can accommodate different bore sizes and configurations, such as straight or step bores.
Working Principle
Two Piece Clamp Rigid Couplings work by clamping around the shafts they connect, using screws to tighten the halves together. This clamping action creates a frictional force that holds the shafts in alignment, ensuring that they rotate together without any relative motion. The rigid nature of these couplings means they do not allow for any misalignment or axial movement between the shafts, making them ideal for applications where precise alignment is crucial. Their balanced design helps reduce vibration and improve system performance, making them useful in maintaining the integrity of the mechanical system.
Applications
Two Piece Clamp Rigid Couplings are used in various applications where precise shaft alignment is necessary. Specific examples include servo-driven applications in industries such as semiconductor manufacturing, medical equipment, packaging machinery, and robotics. These couplings are also suitable for food equipment, where they are manufactured in materials like 303 stainless steel for sanitized environments.
Advantages over other Rigid Couplings
Two Piece Clamp Rigid Couplings offer several advantages over other types of rigid couplings. They provide a balanced design that reduces vibration, which can improve the overall performance of the system. Additionally, they offer a wide variety of standard options, including different materials and bore configurations, allowing for greater flexibility in design. The two-piece design also makes installation and removal easier compared to one-piece couplings, as they can be installed without needing to move the shafts.
Limitations
One of the main limitations of Two Piece Clamp Rigid Couplings is their inability to accommodate any misalignment between the shafts. They require precise alignment during installation, as any misalignment can lead to increased wear and potential failure of the coupling or connected components. Additionally, the rigid nature of these couplings means they do not allow for any axial movement, which can be a limitation in applications where some flexibility is needed.
Considerations
When selecting Two Piece Clamp Rigid Couplings, several factors should be considered. Initial costs can vary depending on the material and configuration chosen, with stainless steel options typically being more expensive due to their corrosion resistance. Operating expenses are generally low, as these couplings require minimal maintenance. However, their durability and accuracy depend on proper installation and alignment. Replacement and maintenance costs can be minimized by ensuring that the couplings are installed correctly and that the shafts remain aligned during operation.
from RS Components, Ltd.
Clamp coupling hole 2 parts. Design bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- O.D.: 1.57
- Bore 1: 0.5512
- Material: Carbon / Alloy Steel; Black Oxide Steel
from Stock Drive Products & Sterling Instrument - SDP/SI
Couplings Types. Couplings can be divided into two categories: flexible and rigid. Both types are used to connect two rotating shafts driven by a motor and transmit torque and angular velocity; however, flexible couplings and shafts are designed to accommodate angular misalignment, angular offset,... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.3937
- Units: Metric Design Arrangement
- Bore 2: 0.3937
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]
- Design: Two Piece Clamping Style
- Features: Opposing Screws
- Units: English Design Arrangement; Metric Design Arrangement
- Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.3750 to 2
- Units: English Design Arrangement
- Bore 2: 0.2500 to 2
from RS Components, Ltd.
Clamp coupling hole 2 parts. Design bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- O.D.: 1.97
- Bore 1: 0.5906
- Material: Carbon / Alloy Steel; Black Oxide Steel
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]
- Design: Two Piece Clamping Style
- Features: Keyway
- Units: English Design Arrangement; Metric Design Arrangement
- Material: Stainless Steel; Carbon / Alloy Steel; Aluminum
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.2500 to 2
- Units: English Design Arrangement
- Bore 2: 0.2500 to 2
from RS Components, Ltd.
Steel rigid 2piece coupling,8x8mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.3150
- Units: Metric Design Arrangement
- O.D.: 0.9449
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362 to 1.97
- Units: Metric Design Arrangement
- Bore 2: 0.2362 to 1.97
from RS Components, Ltd.
Steel rigid 2piece coupling,10x10mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.3937
- Units: Metric Design Arrangement
- O.D.: 1.14
from RS Components, Ltd.
Steel rigid 2piece coupling,12x12mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.4724
- Units: Metric Design Arrangement
- O.D.: 1.14
from RS Components, Ltd.
Steel rigid 2piece coupling,14x14mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.5512
- Units: Metric Design Arrangement
- O.D.: 1.34
from RS Components, Ltd.
Steel rigid 2piece coupling,15x15mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.5906
- Units: Metric Design Arrangement
- O.D.: 1.34
from RS Components, Ltd.
Steel rigid 2piece coupling,16x16mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.6299
- Units: Metric Design Arrangement
- O.D.: 1.34
from RS Components, Ltd.
Steel rigid 2piece coupling,20x20mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.7874
- Units: Metric Design Arrangement
- O.D.: 1.65
from RS Components, Ltd.
Steel rigid 2piece coupling,25x25mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.9843
- Units: Metric Design Arrangement
- O.D.: 1.77
from RS Components, Ltd.
Steel rigid 2piece coupling,12x12mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.4724
- Units: Metric Design Arrangement
- O.D.: 1.14
from RS Components, Ltd.
Steel rigid 2piece coupling,16x16mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.6299
- Units: Metric Design Arrangement
- O.D.: 1.34
from RS Components, Ltd.
Steel rigid 2piece coupling,25x25mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.9843
- Units: Metric Design Arrangement
- O.D.: 1.77
from RS Components, Ltd.
Steel rigid 2piece coupling,30x30mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 1.18
- Units: Metric Design Arrangement
- O.D.: 2.09
from RS Components, Ltd.
Steel rigid 2piece coupling,20x20mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.7874
- Units: Metric Design Arrangement
- O.D.: 1.65
from RS Components, Ltd.
Steel rigid 2piece coupling,40x40mm bore [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 1.57
- Units: Metric Design Arrangement
- O.D.: 3.03
from RS Components, Ltd.
Two Piece RCD Rigid Coupling [See More]
- Design: One Piece Set Screw Design; Two Piece Clamping Style
- Bore 1: 0.7874
- Units: Metric Design Arrangement
- O.D.: 1.65
from Hymark/Kentucky Gauge
DESCRIPTION. High precision rigid coupling. Coupling for encoder, servomotor and stepping motor. Bore diameter from Ø5 to Ø15 mm. High precision, high rigidity, zero backlash. [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.1969 to 0.5906
- Units: Metric Design Arrangement
- Bore 2: 0.1969 to 0.5906
from Lika Electronic
For servomotors and encoders. Coupling at high torsional stiffness and high precision. Light weight [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.1969 to 0.5906
- Units: Metric Design Arrangement
- Bore 2: 0.1969 to 0.5906
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000 to 1.5
- Units: English Design Arrangement
- Material: Carbon / Alloy Steel
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.1250 to 2
- Units: English Design Arrangement
- O.D.: 0.6250 to 3
from NBK America LLC
Recommended Applicable Motor. - MLR - MLRS. Servomotor ◎ ◎. Stepping Motor ◎ ◎. General-purpose Motor ● ●. ◎: Excellent ○: Very good ●: Available [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- O.D.: 0.6300
from Boston Gear
Overview. Available in a variety of same-bore and stepped-bore models, Boston Gear's clamp couplings provide many benefits over the traditional setscrew design, such as higher torque capacity and a resistance to fretting corrosion. Since the clamping force is completely around the shaft, it is... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2500 to 1.75
- Units: English Design Arrangement
- Bore 2: 0.2500 to 1.75
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000
- Units: English Design Arrangement
- Bore 2: 0.5000
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.2500
- Units: English Design Arrangement; Metric Design Arrangement (optional feature)
- Bore 2: 2
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362 to 0.9843
- Units: Metric Design Arrangement
- O.D.: 0.6299 to 1.77
from NBK America LLC
Recommended Applicable Motor. - MLR - MLRS. Servomotor ◎ ◎. Stepping Motor ◎ ◎. General-purpose Motor ● ●. ◎: Excellent ○: Very good ●: Available [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- O.D.: 0.6300
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.6250
- Units: English Design Arrangement
- Bore 2: 0.6250
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]
- Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
- Bore 1: 0.1250 to 2
- Units: English Design Arrangement
- Bore 2: 0.1250 to 2
from NBK America LLC
Recommended Applicable Motor. - MRG - MRGS. Servomotor ◎ ◎. Stepping Motor ◎ ◎. General-purpose Motor ● ●. ◎: Excellent ○: Very good ●: Available [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- O.D.: 0.6300
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. Standard keyways provide added torque capacity and fixed shaft phasing. It is ideal for overhung or unsupported... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- Bore 2: 0.2362
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]
- Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
- Bore 1: 0.1181 to 1.97
- Units: Metric Design Arrangement
- Bore 2: 0.1181 to 1.97
from NBK America LLC
Recommended Applicable Motor. - MRG - MRGS. Servomotor ◎ ◎. Stepping Motor ◎ ◎. General-purpose Motor ● ●. ◎: Excellent ○: Very good ●: Available [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- O.D.: 0.6300
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000
- Units: English Design Arrangement
- Bore 2: 0.5000
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]
- Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
- Bore 1: 0.3750 to 2
- Units: English Design Arrangement
- Bore 2: 0.2500 to 2
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.7500
- Units: English Design Arrangement
- Bore 2: 0.7500
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]
- Design: Two Piece Clamping Style; 3-Piece Shrink Disc Clamping Style (optional feature)
- Bore 1: 0.3150 to 1.97
- Units: Metric Design Arrangement
- Bore 2: 0.3150 to 1.97
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]
- Design: Two Piece Clamping Style
- Bore 1: 1.5
- Units: English Design Arrangement
- Bore 2: 1.5
from Stafford Manufacturing Corp.
Stafford ’s full line of standard and custom, corrosion-resistant shaft collars and couplings is ideal for a wide range of on- and off-shore marine applications. Stafford Marine Service Collars and Couplings are machined from 303 and 316 stainless steel and brass; supplied with either 18-8 or... [See More]
- Design: One Piece Clamping Style; Two Piece Clamping Style
- Bore 1: 0.2500 to 3
- Units: English Design Arrangement
- Material: Stainless Steel; Brass
from Stafford Manufacturing Corp.
Stafford ’s new line of Dual-Keyed Rigid Shaft Couplings securely join shafts used in a wide range of unsupported drive system applications. Axial and annular keyways transmit torque while restraining lateral motion for securely mounting unsupported and suspended shafts. Ideally suited for use... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 1 to 5
- Units: English Design Arrangement
- Features: Keyway (optional feature)
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000
- Units: English Design Arrangement; Metric Design Arrangement
- Bore 2: 0.4724
from Stafford Manufacturing Corp.
Stafford ’s Large Bore Rigid Couplings are ideal for use in large scale processing machinery and all types of oversize equipment and conveying systems. They are engineered for applications requiring up to a 8" I.D. and come in one- and two-piece clamp-type configurations; supplied with one or... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 8
- Units: English Design Arrangement
- Length: 20
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.2362
- Units: Metric Design Arrangement
- Bore 2: 0.2362
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000
- Units: English Design Arrangement
- Bore 2: 0.5000
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]
- Design: Two Piece Clamping Style
- Bore 1: 1.5
- Units: English Design Arrangement
- Bore 2: 1.5
from Stafford Manufacturing Corp.
Stafford ’s Precision Sleeve Coupling features a solid center section that provides a close tolerance fit on ground shafting. Designed for use on supported shafts, it maintains <.001TIR concentricity while in use to assure precise shaft alignment. The coupling includes a keyway and the... [See More]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000 to 1.5
- Units: English Design Arrangement
- Features: Keyway
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.7500
- Units: English Design Arrangement
- Bore 2: 0.5000
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]
- Design: Two Piece Clamping Style
- O.D.: 1.25
- Units: English Design Arrangement
- Length: 2.75
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]
- Design: Two Piece Clamping Style
- Bore 1: 0.5000
- Units: English Design Arrangement
- Bore 2: 0.7500