Ball Bearings
Thrust Ball Bearings
BOM manufactures thrust ball bearings for pure axial load applications, covering single-direction 51100/51200/51300 series and self-aligning 53000 series types. Separable washer-and-cage construction enables straightforward mounting and field replacement. Full-specification custom manufacturing is available, including non-standard dimensions, special materials, and integrated bearing assemblies.
Key Features
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Pure Axial Load Support in Single-Direction and Double-Direction Configurations
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Single-Direction (51 Series): Two-Washer Construction for Unidirectional Axial Loads
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Self-Aligning (53 Series): Spherical Housing Washer Accommodates Shaft Misalignment
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Separable, Interchangeable Components for Easy Mounting and Replacement
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Metric and Inch (ABMA) Series Available
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Full-Specification Custom Manufacturing Available
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Description
Reviews
Thrust Ball Bearings
Pure Axial Load Customizable
BOM manufactures thrust ball bearings designed exclusively for axial loads. The separable, interchangeable construction consists of a shaft washer, housing washer, and ball-and-cage assembly, enabling straightforward mounting and field replacement. Available in single-direction and self-aligning configurations to match the load case and alignment conditions of each application.
- Load Direction:Pure axial loads; single-direction and double-direction configurations available to suit fixed or reversing thrust conditions
- Single-Direction (51 Series):Two-washer construction carrying axial load in one direction; the standard choice for most thrust applications where load direction is defined
- Self-Aligning (53 Series):Spherical housing washer accommodates static angular misalignment between shaft and housing without reducing service life
- Separable Construction:Shaft washer, housing washer, and ball-cage assembly are fully interchangeable, simplifying mounting, inspection, and field replacement
- Size Versatility:Engineered for applications from compact precision pivots to large-diameter rotating table supports; metric and inch (ABMA) series available
- Customization:Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
Thrust Ball Bearings: Dimensions & Load Ratings
51100 / 51200 / 51300 series shown | Boundary dimensions per ISO 104 | Contact us for sizes not shown
| Designation |
d mm |
D mm |
H mm |
Ca kN |
C0a kN |
Limiting Speed r/min (grease) |
|---|
Custom Thrust Ball Bearing Manufacturing
Customizable Engineering Support
BOM manufactures custom thrust ball bearings for applications where catalog specifications do not meet design requirements. Capabilities range from non-standard dimensions and alternative washer materials to complete bearing architecture redesign and integrated assemblies.
- Integrated Assemblies:Bearing and mating components (shaft collar, housing flange, mounting features) manufactured as a single unit, delivering a more compact structure, tighter tolerances, and higher load capacity than separately assembled parts
- Precision Advantage:One-piece machining eliminates assembly stack-up errors, delivering combined accuracy that separately sourced components cannot match
- Dimensional Customization:Non-standard bore, OD, and height for proprietary shaft and housing designs
- Material & Surface Treatment:Alternative washer, ball, and cage materials for corrosive, high-temperature, or lightweight applications; application-specific coatings and surface treatments
- Customization:Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
Applications
Machine Tool Spindles
Precise axial positioning for vertical and horizontal spindles under pure thrust loading.
Gearboxes & Power Transmission
Axial load support for helical gear thrust faces, worm gear output shafts, and speed reducer vertical shaft arrangements in industrial drive systems.
Crane & Hoist Equipment
Heavy axial load support for lifting equipment, slewing rings, and vertical shaft applications.
Pumps & Valve Systems
Reliable thrust load management in vertical pumps, control valves, and hydraulic equipment.
About BOM Bearing
BOM Bearing is a professional manufacturer of precision thrust ball bearings, providing reliable axial load solutions for industrial applications worldwide.
- Quality Assurance:ISO 9001, IATF 16949, and ISO 14001 certified; quality and environmental standards validated at every production stage
- Custom Manufacturing:Full-specification customization from non-standard dimensions and alternative materials to specialized coatings and complete bearing architecture redesign, engineered to your exact requirement
- Integrated Assemblies:Bearing and mating components manufactured as a single unit with tighter tolerances, more compact structure, and higher performance than separately assembled parts
- Technical Support:Professional engineering team for product selection, application analysis, load calculation, and troubleshooting
- Global Delivery:Efficient production lines and logistics network ensuring timely delivery to industrial customers worldwide
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Frequently Asked Questions (FAQ)
What loads can thrust ball bearings carry?
Thrust ball bearings are designed exclusively for axial (thrust) loads. They must not be subjected to radial loads. For applications with combined radial and axial loads, angular contact ball bearings or tapered roller bearings are the appropriate choice.
What is the difference between 51100, 51200, and 51300 series thrust ball bearings?
All three are single-direction thrust ball bearings sharing the same bore diameters. The 51100 series has the smallest cross-section (lowest OD and height) for compact installations. The 51200 series has a larger cross-section with higher load capacity. The 51300 series has the largest cross-section, delivering the highest axial load capacity in the thrust ball bearing range.
What is an integrated bearing assembly?
An integrated bearing assembly combines the bearing with its mating components (such as shaft, housing, or mounting features) into a single manufactured unit. This produces a more compact structure with higher load capacity, and eliminates assembly stack-up errors for superior combined accuracy compared to separately assembled parts.
Can BOM manufacture non-standard sizes or custom thrust ball bearings?
Yes. BOM manufactures custom thrust ball bearings with non-standard dimensions, alternative washer and cage materials, specialized surface treatments, and integrated bearing assemblies designed for specific applications. Contact our engineering team with your requirements.
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