Manufactured by CHG Bearing, the HRU228(G) is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 160 mm bore diameter, a 295 mm outer diameter, and a 35 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.

HRU228(G) - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU228(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 | 227.5 mm |
| Bore Diameter (d) | 160 mm |
| Width (B) | 35 mm |
| Outer Diameter (D) | 295 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Shoulder Diameter ds | 208 mm |
| Outer Ring Shoulder Diameter Dh | 246 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 104 kN |
| Basic Static Radial Load Rating C0r (kN) | 173 kN |
| Reference Data | |
| Reference Mass (kg) | 11.4 kg |
HRU228(G) 295 mm 160 mm 35 mm Frequently Asked Questions about HRU228(G) HRU 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 HRU228(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.
Engineered according to international ISO boundary plans, CHG Bearing supplies HRU228(G) with a precision bore diameter (d) of 160 mm, an outside diameter (D) of 295 mm, and a nominal ring width (B) of 35 mm. This configuration yields an effective cross-sectional wall thickness of 67.5 mm and an envelope ratio (D/d) of 1.84, delivering compact rigidity for OEM machinery housings.
Quality starts with raw material selection: CHG Bearing crafts HRU228(G) 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HRU228(G) 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.
