Manufactured by CHG Bearing, the 89188 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 440 mm bore diameter, a 540 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.

89188 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 89188 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 440 mm |
| Outer Diameter (D) | 540 mm |
| Minimum Chamfer Dimension rmin | 2.1 mm |
| Overall Height H | 60 mm |
| Inner-Ring Land Diameter (L1 / d1) | 443 mm |
| Outer-Ring Land Diameter (L2 / D1) | 537 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 220 r/min |
| Limiting Speed – Oil-air (r/min) | 320 r/min |
| Basic Static Axial Load Rating C0a (N) | 5760 N |
| Basic Dynamic Axial Load Rating Ca (N) | 936 N |
| Material | |
| Mass (kg) | 30 kg |
89188 540 mm 537 mm 440 mm 443 mm Frequently Asked Questions about 89188 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 89188, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing 89188 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (440 mm x 540 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As standard production, CHG Bearing subjects 89188 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Built for demanding industrial environments, the 89188 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.
