Manufactured by CHG Bearing, the HRA9008 is a precision HRAU Series Crossed Roller Bearings. Key dimensional parameters include a 90 mm bore diameter, a 106 mm outer diameter, and a 8 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.
HRA9008 - HRAU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRA9008 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HRA |
| Design Type | Split Outer Ring |
| Seal Type | Single-sided or Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | 97 mm |
| Bore Diameter (d) | 90 mm |
| Width (B) | 8 mm |
| Outer Diameter (D) | 106 mm |
| Minimum Chamfer Dimension rmin | 0.5 mm |
| Inner Ring Shoulder Diameter ds | 93.5 mm |
| Outer Ring Shoulder Diameter Dh | 100.5 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 6.76 kN |
| Basic Static Radial Load Rating C0r (kN) | 12.4 kN |
| Reference Data | |
| Reference Mass (kg) | 0.12 kg |
106 mm 90 mm 8 mm HRA9008 Frequently Asked Questions about HRA9008 HRAU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HRA9008, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To extend the trouble-free lifespan of CHG Bearing HRA9008, 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.
Each HRA9008 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 (90 mm bore side) ensures perfect planar contact without edge binding.
The Single-sided or Double-sided Sealed engineered for HRA9008 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
