Manufactured by CHG Bearing, the HRU124(G) is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 80 mm bore diameter, a 165 mm outer diameter, and a 22 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.
HRU124(G) - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU124(G) |
| 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 | 124 mm |
| Bore Diameter (d) | 80 mm |
| Width (B) | 22 mm |
| Outer Diameter (D) | 165 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Shoulder Diameter ds | 114 mm |
| Outer Ring Shoulder Diameter Dh | 134 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 33.1 kN |
| Basic Static Radial Load Rating C0r (kN) | 50.9 kN |
| Reference Data | |
| Reference Mass (kg) | 2.6 kg |
HRU124(G) 165 mm 80 mm 22 mm Frequently Asked Questions about HRU124(G) HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model HRU124(G) is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 80 mm) and steep thermal gradients between inner and outer rings.
The Open, Single-sided or Double-sided Sealed engineered for HRU124(G) 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.
To extend the trouble-free lifespan of CHG Bearing HRU124(G), 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.
In its sealed configuration (Open, Single-sided or Double-sided Sealed), CHG Bearing pre-charges HRU124(G) with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
