Manufactured by CHG Bearing, the 89448 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 240 mm bore diameter, a 440 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.
89448 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 89448 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 240 mm |
| Outer Diameter (D) | 440 mm |
| Minimum Chamfer Dimension rmin | 6 mm |
| Overall Height H | 122 mm |
| Inner-Ring Land Diameter (L1 / d1) | 245 mm |
| Outer-Ring Land Diameter (L2 / D1) | 435 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 280 r/min |
| Limiting Speed – Oil-air (r/min) | 380 r/min |
| Basic Static Axial Load Rating C0a (N) | 10800 N |
| Basic Dynamic Axial Load Rating Ca (N) | 2160 N |
| Material | |
| Mass (kg) | 88 kg |
89448 440 mm 435 mm 240 mm 245 mm Frequently Asked Questions about 89448 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Each 89448 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (240 mm bore side) ensures perfect planar contact without edge binding.
When fitting 89448 over a 240 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To extend the trouble-free lifespan of CHG Bearing 89448, 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.
Sourcing 89448 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.
