Manufactured by CHG Bearing, the HRU228X 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.
HRU228X - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU228X |
| 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 |
HRU228X 295 mm 160 mm 35 mm Frequently Asked Questions about HRU228X HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing HRU228X conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
For international ocean and air freight, CHG Bearing packs HRU228X with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HRU228X 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.
Model HRU228X 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 160 mm) and steep thermal gradients between inner and outer rings.
