Manufactured by CHG Bearing, the 81156 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 280 mm bore diameter, a 350 mm outer diameter, and a mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

81156 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81156 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 280 mm |
| Outer Diameter (D) | 350 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Overall Height H | 53 mm |
| Inner-Ring Land Diameter (L1 / d1) | 283 mm |
| Outer-Ring Land Diameter (L2 / D1) | 347 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 360 r/min |
| Limiting Speed – Oil-air (r/min) | 480 r/min |
| Basic Static Axial Load Rating C0a (N) | 3195 N |
| Basic Dynamic Axial Load Rating Ca (N) | 6120 N |
| Material | |
| Mass (kg) | 10.5 kg |
81156 350 mm 347 mm 280 mm 283 mm Frequently Asked Questions about 81156 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 81156, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
The Open Type engineered for 81156 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 81156 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Every production batch of CHG Bearing 81156 Cylindrical Roller Thrust Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
