Manufactured by CHG Bearing, the HRE40040 is a precision HRE Series Crossed Roller Bearings. Key dimensional parameters include a 400 mm bore diameter, a 510 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.
HRE40040 - HRE Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRE40040 |
| 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 | 453.4 mm |
| Bore Diameter (d) | 400 mm |
| Width (B) | 40 mm |
| Outer Diameter (D) | 510 mm |
| Minimum Chamfer Dimension rmin | 2.5 mm |
| Inner Ring Shoulder Diameter ds | 428 mm |
| Outer Ring Shoulder Diameter Dh | 479 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 241 kN |
| Basic Static Radial Load Rating C0r (kN) | 531 kN |
| Reference Data | |
| Reference Mass (kg) | 23.5 kg |
HRE40040 510 mm 400 mm 40 mm Frequently Asked Questions about HRE40040 HRE Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing HRE40040 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.
Quality starts with raw material selection: CHG Bearing crafts HRE40040 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.
To extend the trouble-free lifespan of CHG Bearing HRE40040, 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.
When fitting HRE40040 over a 400 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.
