Manufactured by CHG Bearing, the HCRBH25025A is a precision HCRBH Series Crossed Roller Bearings. Key dimensional parameters include a 250 mm bore diameter, a 310 mm outer diameter, and a 25 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.

HCRBH25025A - HCRBH Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HCRBH25025A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HCRBH |
| Design Type | Integrated Inner and Outer Rings |
| Seal Type | Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | — mm |
| Bore Diameter (d) | 250 mm |
| Width (B) | 25 mm |
| Outer Diameter (D) | 310 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Inner Ring Shoulder Diameter ds | 262 mm |
| Outer Ring Shoulder Diameter Dh | 298 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 102 kN |
| Basic Static Radial Load Rating C0r (kN) | 207 kN |
| Reference Data | |
| Reference Mass (kg) | 4.97 kg |
310 mm 250 mm 25 mm HCRBH25025A Frequently Asked Questions about HCRBH25025A HCRBH Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts HCRBH25025A 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.
Built for demanding industrial environments, the HCRBH25025A HCRBH Series Crossed Roller 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.
The CHG Bearing HCRBH25025A 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HCRBH25025A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
