Manufactured by CHG Bearing, the 81180 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 400 mm bore diameter, a 480 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.
81180 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81180 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 400 mm |
| Outer Diameter (D) | 480 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Overall Height H | 65 mm |
| Inner-Ring Land Diameter (L1 / d1) | 404 mm |
| Outer-Ring Land Diameter (L2 / D1) | 476 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 260 r/min |
| Limiting Speed – Oil-air (r/min) | 360 r/min |
| Basic Static Axial Load Rating C0a (N) | 5040 N |
| Basic Dynamic Axial Load Rating Ca (N) | 868 N |
| Material | |
| Mass (kg) | 23 kg |
81180 480 mm 476 mm 400 mm 404 mm Frequently Asked Questions about 81180 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges 81180 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
To extend the trouble-free lifespan of CHG Bearing 81180, 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.
Yes, 100% of 81180 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.
Sourcing 81180 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Cylindrical Roller Thrust Bearings.
