Stainless Linear Bearings
Description
Stainless linear bearings are components designed to facilitate smooth and precise linear motion along a single axis. They consist of a bearing assembly that includes rolling elements, such as balls or rollers, which move along a track or guide. The primary function of these bearings is to reduce friction and support the load during linear movement, ensuring efficient and accurate motion.
Working Principle
Stainless linear bearings operate by utilizing rolling elements that move along a linear path, typically a guide or rail. These rolling elements, often made of martensitic stainless steel for load-bearing surfaces, distribute the load evenly along the path, minimizing friction and preventing irregular motion such as stick-slip phenomena. The use of stainless steel provides corrosion resistance, making these bearings suitable for environments exposed to moisture or corrosive substances. The mechanics of linear motion in these bearings ensure precise alignment and smooth movement, which are essential for maintaining accuracy and reliability in various applications.
Applications
Stainless linear bearings are used in a wide range of applications where corrosion resistance and precise linear motion are critical. Specific examples include:
- Medical equipment, where clean and sterile conditions are necessary.
- Food processing machinery, which requires frequent wash-downs and exposure to moisture.
- Marine environments, where exposure to saltwater necessitates corrosion-resistant components.
- Laboratory equipment, where precision and reliability are paramount.
Advantages over other Linear Bearings
Stainless linear bearings offer several advantages over other types of linear bearings:
- Corrosion Resistance: The use of stainless steel, particularly austenitic stainless for non-load-bearing parts, provides superior resistance to corrosion compared to carbon steel bearings, making them ideal for harsh environments.
- Durability: Martensitic stainless steel used in load-bearing components offers a good balance of hardness and corrosion resistance, enhancing the durability and lifespan of the bearings in demanding applications.
Limitations
Despite their advantages, stainless linear bearings have certain limitations:
- Load Capacity: Austenitic stainless steel, while offering excellent corrosion resistance, cannot be sufficiently hardened, resulting in lower speed and load capacities compared to other materials like carbon steel.
- Cost: Stainless steel bearings can be more expensive than those made from other materials, which may impact initial costs.
Considerations
When selecting stainless linear bearings, several factors should be considered:
- Initial Costs: Stainless steel bearings tend to have higher initial costs due to the material's properties and manufacturing processes.
- Operating Expense: The corrosion resistance of stainless steel can reduce maintenance costs over time, as these bearings are less prone to rust and degradation.
- Durability and Accuracy: The choice of stainless steel, particularly martensitic for load-bearing parts, ensures a good balance of durability and precision, although it may not match the load capacity of harder materials.
- Replacement and Maintenance Costs: While initial costs may be higher, the reduced need for maintenance and longer lifespan can offset these expenses in the long term.
from Modern Linear Incorporated
Modern Linear is pleased to announce a new family of guide rollers for linear motion applications. The Hybrid Roller Assembly (HRA) consists of 3 components; outer tire, radial ball bearing, and inner mounting stud. There are a variety of options for each part that allow for an assembly that is best... [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Open Closed - Bushing: Closed
- Bearing Type: Guide Wheel
- Bearing Features: Clean Room; Vacuum Compatible; Medical
from RS Components, Ltd.
S/S Caged Cam Follower, Stud 4mm 12mmOD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.4724
- Bearing Type: Cam Follower; Standard Caged
- Bearing Length: 0.7874
from Modern Linear Incorporated
guide-roller-03guide-roller-04guide-roller-02Guide Rollers Modern Linear Guide Rollers incorporate double row, angular contact ball bearings resulting in excellent load capacity and long life under radial, axial, and combination loads. The super-finished raceways of Modern Linear guide rollers offer... [See More]
- Special Bearing Materials: Stainless
- Bearing Width: 0.3100
- Bearing Type: Guide Wheel
- Bearing Diameter: 0.1875
from RS Components, Ltd.
S/S Caged Cam Follower, Stud 6mm 16mmOD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.6299
- Bearing Type: Cam Follower; Standard Caged
- Bearing Length: 1.11
from Modern Linear Incorporated
Modern Linear Studded Guide Rollers eliminate the need for separate installation hardware. One studded roller replaces three components. There is no need to incorporate a separate bolt or bushing into a carriage assembly. Mounting is facilitated with a female hex opposite of the threaded stud,... [See More]
- Special Bearing Materials: Stainless
- Bearing Features: Studded
- Bearing Type: Guide Wheel
from RS Components, Ltd.
S/S Caged Cam Follower, Stud 8mm,19mmOD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.7480
- Bearing Type: Cam Follower; Standard Caged
- Bearing Length: 1.27
from RS Components, Ltd.
S/S Caged Cam Follower, Stud 10mm,26mmOD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 1.02
- Bearing Type: Cam Follower; Standard Caged
from RS Components, Ltd.
S/S Thrust Mini Cam Follower, 3mm, 6mm [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.2362
- Bearing Type: Cam Follower; Miniature Thrust
- Bearing Length: 0.4921
from RS Components, Ltd.
S/S Thrust Mini Cam Follower, 4mm, 8mm [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.3150
- Bearing Type: Cam Follower; Miniature Thrust
- Bearing Length: 0.6299
from RS Components, Ltd.
S/S Thrust Mini Cam Follower, 6mm, 12mm [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.4724
- Bearing Type: Cam Follower; Miniature Thrust
- Bearing Length: 0.8858
from RS Components, Ltd.
STUD TRACK ROLLER,28MM L X 16MM OD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.6299
- Bearing Type: Cam Follower; Stud Cam Follower
- Bearing Length: 0.4331
from RS Components, Ltd.
RODILLO LEVA,VA STAGO, LONG 32MM,INT 19M [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.7480
- Bearing Type: Cam Follower; Stud Cam Follower
- Bearing Length: 0.4331
from RS Components, Ltd.
BOLZEN FR LAUFWERKROLLE 22X36MM [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 0.8661
- Bearing Type: Cam Follower; Stud Cam Follower
- Bearing Length: 0.9055
from RS Components, Ltd.
STUD TRACK ROLLER,40MM L X 30MM OD [See More]
- Special Bearing Materials: Stainless; Stainless Steel
- Bearing Diameter: 1.02
- Bearing Type: Cam Follower; Stud Cam Follower
- Bearing Length: 0.4724
from igus® inc.
Dimensions Ø: 10, 16, 20, 25 mm [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Bearing Width: 1.67
- Bearing Type: Linear Motion Guide
- Bearing Length: 1.77
from TPA Motion
The TEX rails, with their CEX sliders and rollers, are made entirely of stainless steel. They offer a simple and practical solution for all applications where high corrosion resistance is required, in particular for food industry, chemical, pharmaceutical and medical industries. The sliders are... [See More]
- Special Bearing Materials: Stainless; Corrosion Resistant.
- Bearing Width: 1.02 to 1.56
- Bearing Type: Cam Follower
- Bearing Length: 3.15 to 5.31
from IKO International, Inc.
Linear Bushings (LM) feature a high-precision design comprised of a rolling guide that travels along a shaft to achieve unlimited linear motion. A specialized retainer is used to accurately guide interior steel balls for low friction and highly stable linear motion. Multiple styles and sizes are... [See More]
- Special Bearing Materials: Stainless; Corrosion Resistant.
- Bearing Diameter: 0.2362 to 5.91
- Bearing Type: Bushing (Ball)
- Bearing Length: 0.6693 to 9.45
from NSK Americas
NSK Linear Guides are manufactured for superior linear motion. Various designs are offered in order to meet the diverse range of industries we serve. Special coatings, lubricants, accuracies and custom designs are available to meet the demanding needs of your specific applications. For... [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Bearing Features: Clean Room
- Bearing Type: Linear Motion Guide
from Quality Bearings & Components
Guide Wheel. JOURNALS-ECCENTRIC & CONCENTRIC – INCH. • Stainless Steel AISI 303. *O.D. tolerance: for size 0: +.0000, -.0005. Part number with suffix BJ indicates eccentric (adjustable) bushing; rotation of eccentric allows fit up adjustment between track and guide wheels. Part number... [See More]
- Special Bearing Materials: Stainless
- Bearing Length: 1.38
- Bearing Type: Guide Wheel; Plain / Journal
from W.M. Berg
Bearings are highly engineered, precision-made components that enable machinery to move at extremely high speeds and carry remarkable loads with ease and efficiency. Berg offers many different options for your application. Journal. Ball. Linear. Needle. Roller. Thrust. Spherical. Oil-Less [See More]
- Special Bearing Materials: Stainless
- Bearing Length: 0.5000
- Bearing Diameter: 0.3125
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.1575
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.0787
from Schatz Bearing Corp.
Schatz Double V GuideWheel Bearings. The superior choice for linear motion applications. Maintenance-free operation. Bearings are “greased for life ”. Track surfaces hardened for long wear life. High-precision bearings allow for smooth and quiet operation. Ideal for harsh environments. [See More]
- Special Bearing Materials: Stainless; Corrosion Resistant. (optional feature); Self Lubricating
- Bearing Width: 0.3100
- Bearing Type: Guide Wheel
- Dynamic Cap.: 500
from igus® inc.
Special properties. 303 Stainless Steel. Dimensionally equivalent to standard recirculating ball bearings. For long-term temperatures up to 194 °F. Can use iglide ® T500 material liners for long-term temperatures up to 482 °F. Metric and imperial dimensions available [See More]
- Special Bearing Materials: Stainless; Rotary Motion
- Bearing Width: 0.8750 to 1.56
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 1
from TPA Motion
Custom OEM Linear Washdown Products. Made in USA: South Carolina Facility. Size 43 Series. Height = 100 mm (3.95 inches). Width = 28 mm (1.10 inches). Size 28 Series. Height = 75 mm (2.95 inches). Width = 17 mm (0.67 inches). Size 43 Capable of moving up to 1000 lb payload [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies; Corrosion Resistant.
- Bearing Width: 0.6693 to 1.1
- Bearing Type: Linear Motion Guide
- Bearing Length: 59.06
from IKO International, Inc.
Linear Bushings (LMG) are designed to offer a large load capacity to enable unlimited linear motion of an external cylinder along a shaft with grooved raceways. Cylinders and shafts feature high dimensional accuracy and may be easily mixed and matched. Both solid and hollow shafts are available to... [See More]
- Special Bearing Materials: Stainless; Corrosion Resistant.
- Bearing Diameter: 0.2047 to 0.6890
- Bearing Type: Bushing (Ball)
- Bearing Length: 0.7480 to 1.65
from NSK Americas
Two Types of Linear Roller Guides are offered: The RA/RB Series are the most advanced Roller Guides. With the culmination of NSK ’s analysis technology and tribology research, they meet the needs of a wide range of applications with high load and high rigidity capacity. Industry. Automotive. [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Bearing Type: Linear Roller
from Quality Bearings & Components
Stainless Steel Retainer. LINEAR BALL BEARINGS-CLOSED TYPE – INCH. • Stainless Steel Shell. • Heat-Treated. NOTE: To order bearings with seals on both ends click on part number and select the option. [See More]
- Special Bearing Materials: Stainless
- Bearing Diameter: 0.6250
- Bearing Type: Bushing (Ball)
- Bearing Length: 1.5
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.2362
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.1181
from TPA Motion
LAX is a stainless steel series product and the LAN is a nitrided steel series product. Both are economical, light duty rail systems. These cam roller type linear guides systems are ideally suited for various medium or light load applications in high temperature processing environments. Suitable for... [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Dynamic Cap.: 180
- Bearing Type: Cam Follower
- Bearing Housing: Rectangular
from IKO International, Inc.
Miniature Linear Bushings (LMS) are tiny rolling guides that travel along a shaft to achieve unlimited linear motion and are available in shaft diameters of 3, 4 and 5 mm. The external cylinder design features a retainer, steel balls and stop rings in a compact unit for precise positioning. Both... [See More]
- Special Bearing Materials: Stainless; Corrosion Resistant.
- Bearing Diameter: 0.1181 to 0.1969
- Bearing Type: Bushing (Ball)
- Bearing Length: 0.3937 to 1.14
from Quality Bearings & Components
Resin Retainer. LINEAR BALL BEARINGS-CLOSED TYPE – INCH. • Stainless Steel Shell. • Heat-Treated [See More]
- Special Bearing Materials: Stainless
- Bearing Diameter: 0.6250
- Bearing Type: Bushing (Ball)
- Bearing Length: 1.5
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.2756
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.1181
from TPA Motion
Linear guide provides precision low friction guidance of payloads for machine and instruments applications. One or multiple bearing blocks can be mounted on a linear guide rail. Each bearing block has two rows of recirculating balls that engage the precision ground rail allowing almost frictionless... [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies
- Bearing Width: 1.34 to 5.51
- Bearing Type: Linear Motion Guide
- Bearing Length: 2.19 to 7.95
from IKO International, Inc.
Stroke Rotary Bushings (ST) enable simultaneous rotary and linear motion with a specialized design that combines an external cylinder with a cylindrical raceway and balls incorporated in the retainer. The high rigid, lightweight retainer experiences minimal inertia and is well-suited for both... [See More]
- Special Bearing Materials: Stainless; Rotary Motion
- Bearing Diameter: 0.1575 to 3.94
- Bearing Type: Bushing (Ball)
- Bearing Length: 0.5512 to 3.94
from Quality Bearings & Components
Stainless Steel Retainer. LINEAR BALL BEARINGS-OPEN TYPE – INCH. • Stainless Steel Shell. • Heat-Treated. NOTES: To order bearings with seals on both ends click on part number and select the. option. [See More]
- Special Bearing Materials: Stainless
- Bearing Diameter: 0.6250
- Bearing Type: Bushing (Ball)
- Bearing Length: 1.5
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.3150
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.1575
from TPA Motion
Miniature Linear Bearings (MR Series) provide precision low friction guidance of payloads for machine and instruments applications. One or multiple bearing blocks can be mounted on a linear guide rail. Each bearing block has two rows of recirculating balls that engage the precision ground rail... [See More]
- Special Bearing Materials: Stainless; Bearing and Rail Assemblies; Corrosion Resistant.
- Bearing Width: 0.3150 to 2.36
- Bearing Type: Linear Motion Guide
- Bearing Length: 0.4606 to 2.99
from IKO International, Inc.
Stroke Rotary Cages (BG) feature high-accuracy balls incorporated in a uniquely designed retainer to achieve precise rotational motion, as well as simultaneous rotary and linear motion. Highly rigid, lightweight retainers have low inertia and are suitable for abrupt operation. Large load ratings and... [See More]
- Special Bearing Materials: Stainless; Rotary Motion
- Bearing Diameter: 0.7480 to 1.5
- Bearing Type: Bushing (Ball)
- Bearing Length: 2.17 to 3.15
from Quality Bearings & Components
"V" Groove. SUPPORT BUSHINGS ECCENTRIC & CONCENTRIC – INCH. 303 Stainless Steel. *Fits corresponding wheel bore. **All mounting information assumes a “central ” position of the BA bushing,. allowing an adjustment from plus “X ” to minus “X ”. [See More]
- Special Bearing Materials: Stainless
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.3937
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.1969
from MPS Micro Precision Systems AG
MPS Microsystems is specialized in manufacturing high-precision, miniature linear bearings. We offer a comprehensive range of exceptionally smooth bearings with bore diameters from Ø 2 mm to Ø 6 mm. The balls of these precision bearings meet ‘Grade 3 ’, the highest quality... [See More]
- Special Bearing Materials: Stainless; Stainless steel (AISI 440C) housing and brass cage (on request: stainless steel AISI 303)
- Bearing Width: 0.4724
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.2362