Manufactured by CHG Bearing, the HRU297(G) is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 210 mm bore diameter, a 380 mm outer diameter, and a 40 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.
HRU297(G) - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU297(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 | 297.3 mm |
| Bore Diameter (d) | 210 mm |
| Width (B) | 40 mm |
| Outer Diameter (D) | 380 mm |
| Minimum Chamfer Dimension rmin | 2.5 mm |
| Inner Ring Shoulder Diameter ds | 272 mm |
| Outer Ring Shoulder Diameter Dh | 320 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 156 kN |
| Basic Static Radial Load Rating C0r (kN) | 281 kN |
| Reference Data | |
| Reference Mass (kg) | 21.3 kg |
HRU297(G) 380 mm 210 mm 40 mm Frequently Asked Questions about HRU297(G) HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Each HRU297(G) 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 (210 mm bore side) ensures perfect planar contact without edge binding.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HRU297(G). Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
To match diverse operational dynamics, CHG Bearing supplies HRU297(G) with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HRU297(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.
