Corrosion Resistant Linear Bearings
Description
Corrosion-resistant linear bearings are specialized components designed to facilitate smooth and precise linear motion while withstanding corrosive environments. These bearings are constructed using materials and coatings that provide enhanced resistance to oxidation and material degradation, ensuring longevity and reliability in challenging conditions.
Working Principle
Corrosion-resistant linear bearings operate by utilizing rolling elements, such as balls or rollers, that move along a guide rail. The materials used, such as martensitic stainless steel or aluminum, are selected for their ability to resist corrosion while maintaining the necessary hardness and dimensional stability. This resistance to corrosion is crucial as it prevents rust and material damage, thereby extending the lifespan of the equipment. The bearings are particularly useful in environments where exposure to moisture or corrosive substances is a concern, as they maintain performance and reduce maintenance needs.
Applications
Corrosion-resistant linear bearings are employed in a variety of specific applications where exposure to corrosive elements is a concern. For example, they are used in marine environments where saltwater exposure is prevalent, in chemical processing plants where exposure to harsh chemicals is common, and in food processing facilities where frequent washdowns are required. These bearings ensure reliable operation and longevity in such demanding settings.
Advantages over other Linear Bearings
One of the primary advantages of corrosion-resistant linear bearings over standard linear bearings is their ability to withstand harsh environments without compromising performance. For instance, bearings made from martensitic stainless steel offer both corrosion resistance and the ability to handle extreme pressures and stresses, which is not typically possible with standard bearings. Additionally, aluminum-bodied bearings provide a lightweight and cost-effective option for less demanding corrosive environments, offering a balance between performance and cost.
Limitations
Despite their advantages, corrosion-resistant linear bearings have limitations. Coatings used for corrosion resistance can vary in thickness, potentially affecting the parallelism and precision of the bearing. This can be a concern in applications requiring tight tolerances. Additionally, while aluminum bearings are cost-effective, they have a lower static load capacity compared to their steel counterparts, limiting their use in high-load applications.
Considerations
When selecting corrosion-resistant linear bearings, several factors should be considered. Initial costs can vary significantly depending on the materials and coatings used, with options like black chrome plating being more expensive than hard chrome plating. Operating expenses may be reduced due to the decreased need for maintenance in corrosive environments. However, the durability and accuracy of the bearings can be affected by the choice of material and coating, particularly in applications with tight tolerances. Replacement and maintenance costs should also be factored in, as the longevity of the bearings can vary based on environmental conditions and usage. Consulting with vendors and thoroughly researching options is recommended to ensure the best choice for specific applications.
from NB Corporation of America
The TOPBALL linear motion mechanism is a self-aligning high load capacity linear ball bushing incorporating many unique features that make it an excellent choice for a wide range of applications. TOPBALL linear ball bushings are often used in automated factory equipment and industrial machines,... [See More]
- Special Bearing Materials: Corrosion Resistant.
- Bearing Width: 0.3740 to 6
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.1875 to 2
from NB Corporation of America
The NB Slide Bush is a linear bushing with mechanism utilizing the rolling motion of ball elements. Since linear motion is obtained with simple mechanism, the linear bushing can be used in a wide variety of applications, including transportation , food processing and semiconductor manufacturing... [See More]
- Special Bearing Materials: Corrosion Resistant.
- Bearing Width: 0.3937 to 9.45
- Bearing Type: Bushing (Ball)
- Bearing Diameter: 0.4016 to 6.72
from igus® inc.
Special features. Closed, anodized aluminum adapter. Dimensions equivalent to the standard for recirculating ball bearings. Equipped with JUM-02 liners made from iglide ® J. Secured by pressfit in recommended housing bore. Recommended housing bore H7 [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum; Corrosion Resistant.; Rotary Motion
- Bearing Diameter: 0.4724 to 1.97
- Bearing Type: Plain / Journal
- Bearing Length: 1.1 to 2.76
from Lee Controls, LLC
The unique design of the patented Roller Bearing Pillow Block incorporates a larger "rolling" diameter than conventional linear ball bearing pillow blocks. The larger rolling diameter enables the bearing to operate at significantly higher speeds and acceleration. Constructed with an aluminum body... [See More]
- Special Bearing Materials: Corrosion Resistant.
- Bearing Width: 2
- Bearing Type: Linear Roller
- Bearing Diameter: 0.5000
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 igus® inc.
iglide ® A350 is an iglide ® plastic bushing developed for the food industry. In addition to high temperature resistance, the A350 material has good wear resistance and low coefficients of friction. Maintenance-free. Lubrication free. High abrasion resistance. Low coefficients of friction. [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.4724 to 1.18
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.2362 to 0.7874
from Lee Controls, LLC
The superiority of LEE LINEAR ® Roller Bearing Pillow Blocks is inherent in the design. Available in single, double, and twin options. Features. Easy Clearance Adjustment. Self-Aligning. Corrosion Resistant. Operate at Higher Speeds [See More]
- Special Bearing Materials: Ceramic; Corrosion Resistant.; Rotary Motion; Self Lubricating (optional feature)
- Bearing Width: 2
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000
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 igus® inc.
Features. Housing: Aluminum. Equipped with DryLin ® R linear plain bearings, order number RJUM-01- ø or RJUM-03- ø. Can be combined with DryLin ® R housing bearing, part number RJUM-06- ø. Bearings are secured with retaining rings according to DIN 472. Recommended... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.7874 to 2.2
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.4724 to 1.57
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.
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 igus® inc.
Features. Housing: Aluminum. Equipped with DryLin ® R linear plain bearings, order number RJUM-01- ø, RJUM-03- ø or RJM-01. Can be combined with DryLin ® R housing bearing, order number RJUM-06- ø. Bearings are secured with retaining rings according to DIN 472. [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 1.38 to 4.25
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.1260 to 0.4055
from igus® inc.
Features. Housing: Aluminum. Equipped with DryLin ® R linear plain bearings, order number OJUM-01- ø or OJUM-03- ø. Combinable with DryLin ® R housing bearing, order number OJUM-06- ø. The bearings are secured in the housing using set screws. Recommended tolerance for... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 1.69 to 5.2
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.1654 to 0.5610
from igus® inc.
Features. Housing: Aluminum. Equipped with DryLin ® R linear plain bearings, order number OJUM-01- ø or OJUM-03- ø. Can be combined with with DryLin ® R housing bearing, order number OJUM-06- ø. Bearings secured using set screws. Recommended tolerance for the shaft:... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.7874 to 2.2
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.4724 to 1.57
from igus® inc.
Features. Hard anodized aluminum adapter. Dimensionally interchangeable with linear ball bearings. Equipped with liner made from iglide ® J. Temperature range -40 °F to +194 °F JUI-01 (standard), JUI-20 (low clearance). T500 liner optional for chemicals/high temps (up to 482 °F for... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.6173 to 2.99
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.3750 to 2
from igus® inc.
Special features. Closed, anodized aluminum adapter. Dimensions equivalent to the standard size for recirculating ball bearings. Equipped with JUM-01 liners made from iglide ® J. Secured by retaining clips according to DIN 471 or 472 (not included in delivery). Recommended housing bore H7 [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.4724 to 2.95
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.1969 to 1.97
from igus® inc.
Special features. Anodized aluminum adapter. Dimensions interchangeable with linear ball bearings. Equipped with liner made from iglide ® J: temperature range -40 °F to +194 °F. JUI-01 (standard). T500 liner optional for chemicals/high temps (up to 482 °F for steek housing, 356... [See More]
- Special Bearing Materials: Plastic; Anodized Housing; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.8750 to 3
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 2
from igus® inc.
Advantages of DryLin ® R. Self-lubricating. Maintenance-free. Can be used in extreme dirt conditions. Can be used underwater or in washdown conditions. Replaceable liner. Dimensionally interchangeable with standard recirculating ball bearings. Vibration dampening. No seals or wipers needed [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum Housing; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.8556 to 2.96
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 2
from igus® inc.
Special features. Anodized aluminum adapter. Dimensionally interchangeable with recirculating ball bushings. Equipped with liner made from iglide ® J. Temperature range -40 °F to +194 °F JUI-01 (standard), JUI-20 (low clearance). T500 liner optional for chemicals/high temps (up to 482... [See More]
- Special Bearing Materials: Plastic; Anodized Housing; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.5000 to 3
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 3
from igus® inc.
Special features. Anodized aluminum adapter. Dimensionally interchangeable with linear ball bearings. Equipped with liner made from iglide ® J: temperature range -40 °F to +194 °F, JUI-01 (standard). T500 liner optional for chemicals/high temps (up to 482 °F for steel housing, 356... [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.8750 to 3
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 2
from igus® inc.
Special features. Split aluminum adapter with spherical middle area for automatic compensation of misalignments and O-rings for elastic seating. Dimensions correspond otherwise to the standard for recirculating ball bearings. Mounted with JUI-01 liners. Recommended housing bore H7. Recommended... [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.8750 to 3
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.5000 to 2
from igus® inc.
Features. Low-cost linear plain bearing, dimensions compatible with compact ball bearing. 2 options: RJ260M (with smooth inner contour) and RJ260UM (grooved structure). Material: iglide ® J260. Axial safety and installation by press fit in housing bore H7. Recommended tolerance for the shaft:... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.7480 to 1.38
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.4724 to 0.9843
from igus® inc.
Features. Press fit bearing made of iglide ® L100. Extremely wear resistant. Low coefficients of friction. Recommended tolerance for the shaft: h6-h10. Recommended housing bore H7 [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 0.7874 to 2.48
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.4724 to 1.97
from igus® inc.
Features. Housing: Aluminum. Equipped with DryLin ® R linear plain bearings, order number OJUM-01- ø or OJUM-03- ø. Maintenance-free. Mounting bolts according to DIN 912-8.8, lock washer DIN 7980. Securing of the bearing in the housing is done using set screws. Recommended... [See More]
- Special Bearing Materials: Plastic; Corrosion Resistant.
- Bearing Width: 3.35 to 9.06
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.4724 to 1.57
from igus® inc.
Special features. Closed aluminum adapter with reduced outer diameter, spherical area on the outer diameter for automatic alignment compensation, O-rings for elastic seating and a hard-anodized surface. Dimensionally interchangeable with recirculating ball bearings. Equipped with JUM-01 liner made... [See More]
- Special Bearing Materials: Plastic; Anodized Aluminum; Corrosion Resistant.; Rotary Motion
- Bearing Width: 0.6220 to 2.94
- Bearing Type: Plain / Journal
- Bearing Diameter: 0.3937 to 1.57