Manufactured by CHG Bearing, the 81296 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 480 mm bore diameter, a 650 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.

81296 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81296 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 480 mm |
| Outer Diameter (D) | 650 mm |
| Minimum Chamfer Dimension rmin | 5 mm |
| Overall Height H | 135 mm |
| Inner-Ring Land Diameter (L1 / d1) | 485 mm |
| Outer-Ring Land Diameter (L2 / D1) | 645 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 150 r/min |
| Limiting Speed – Oil-air (r/min) | 200 r/min |
| Basic Static Axial Load Rating C0a (N) | 15300 N |
| Basic Dynamic Axial Load Rating Ca (N) | 3015 N |
| Material | |
| Mass (kg) | 128 kg |
81296 650 mm 645 mm 480 mm 485 mm Frequently Asked Questions about 81296 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 81296 Cylindrical Roller Thrust Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To extend the trouble-free lifespan of CHG Bearing 81296, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Built for demanding industrial environments, the 81296 Cylindrical Roller Thrust Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
To ensure optimum performance of CHG Bearing 81296 Cylindrical Roller Thrust Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 480 mm bore. For the 650 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
