Manufactured by CHG Bearing, the 525154 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 305.08 mm bore diameter, a 560 mm outer diameter, and a 200 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.
525154 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 525154 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 305.08 mm |
| Width (B) | 200 mm |
| Outer Diameter (D) | 560 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 12 min mm |
| Outer Ring Chamfer | 6 min mm |
| Inner Ring Assembly Width Tolerance | -0.165 – -0.01 mm |
| Outer Ring Assembly Width | 200 mm |
| Outer Ring Assembly Width Tolerance | -0.5 – +0.7 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 24 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2620 kN |
| Basic Static Load Rating C0 (kN) | 5330 kN |
| Material | |
| Mass (kg) | 219 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 44 mm |
| Roller Material | Bearing Steel |
525154 560 mm 305.08 mm Frequently Asked Questions about 525154 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 525154 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Model 525154 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 305.08 mm) and steep thermal gradients between inner and outer rings.
To extend the trouble-free lifespan of CHG Bearing 525154, 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.
Quality starts with raw material selection: CHG Bearing crafts 525154 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
