Manufactured by CHG Bearing, the HRU42 is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 20 mm bore diameter, a 70 mm outer diameter, and a 12 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.
HRU42 - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU42 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HRU |
| Design Type | Integrated Inner and Outer Rings |
| Seal Type | Open, Single-sided or Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | 41.5 mm |
| Bore Diameter (d) | 20 mm |
| Width (B) | 12 mm |
| Outer Diameter (D) | 70 mm |
| Minimum Chamfer Dimension rmin | 0.6 mm |
| Inner Ring Shoulder Diameter ds | 36 mm |
| Outer Ring Shoulder Diameter Dh | 47 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 7.35 kN |
| Basic Static Radial Load Rating C0r (kN) | 8.35 kN |
| Reference Data | |
| Reference Mass (kg) | 0.29 kg |
HRU42 70 mm 20 mm 12 mm Frequently Asked Questions about HRU42 HRU 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 HRU42, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
When fitting HRU42 over a 20 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.
Absolutely. The CHG Bearing HRU42 HRU Series Crossed Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HRU42, FAG HRU42, NSK HRU42. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Sourcing HRU42 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for HRU Series Crossed Roller Bearings.
