Manufactured by CHG Bearing, the HRE25040 is a precision HRE Series Crossed Roller Bearings. Key dimensional parameters include a 250 mm bore diameter, a 355 mm outer diameter, and a 40 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.

HRE25040 - HRE Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRE25040 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HRE |
| Design Type | Split Inner Ring |
| Seal Type | Single-sided or Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | 300.7 mm |
| Bore Diameter (d) | 250 mm |
| Width (B) | 40 mm |
| Outer Diameter (D) | 355 mm |
| Minimum Chamfer Dimension rmin | 2.5 mm |
| Inner Ring Shoulder Diameter ds | 275 mm |
| Outer Ring Shoulder Diameter Dh | 326 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 195 kN |
| Basic Static Radial Load Rating C0r (kN) | 348 kN |
| Reference Data | |
| Reference Mass (kg) | 14.8 kg |
HRE25040 355 mm 250 mm 40 mm Frequently Asked Questions about HRE25040 HRE Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing HRE25040, 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.
Every production batch of CHG Bearing HRE25040 HRE Series Crossed Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HRE25040 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.
For international ocean and air freight, CHG Bearing packs HRE25040 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
