Manufactured by CHG Bearing, the HRE20030 is a precision HRE Series Crossed Roller Bearings. Key dimensional parameters include a 200 mm bore diameter, a 280 mm outer diameter, and a 30 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.
HRE20030 - HRE Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRE20030 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HRE |
| Design Type | Split Inner Ring |
| Seal Type | Single-sided or Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | 240 mm |
| Bore Diameter (d) | 200 mm |
| Width (B) | 30 mm |
| Outer Diameter (D) | 280 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Shoulder Diameter ds | 221 mm |
| Outer Ring Shoulder Diameter Dh | 258 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 114 kN |
| Basic Static Radial Load Rating C0r (kN) | 200 kN |
| Reference Data | |
| Reference Mass (kg) | 6.7 kg |
HRE20030 280 mm 200 mm 30 mm Frequently Asked Questions about HRE20030 HRE Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HRE20030 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HRE20030. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
The CHG Bearing HRE20030 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
In its sealed configuration (Single-sided or Double-sided Sealed), CHG Bearing pre-charges HRE20030 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.
