Manufactured by CHG Bearing, the HRU148X is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 90 mm bore diameter, a 210 mm outer diameter, and a 25 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.

HRU148X - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU148X |
| 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 | 147.5 mm |
| Bore Diameter (d) | 90 mm |
| Width (B) | 25 mm |
| Outer Diameter (D) | 210 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Inner Ring Shoulder Diameter ds | 133 mm |
| Outer Ring Shoulder Diameter Dh | 162 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 49.1 kN |
| Basic Static Radial Load Rating C0r (kN) | 76.8 kN |
| Reference Data | |
| Reference Mass (kg) | 4.9 kg |
HRU148X 210 mm 90 mm 25 mm Frequently Asked Questions about HRU148X HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open, Single-sided or Double-sided Sealed), CHG Bearing pre-charges HRU148X 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.
To extend the trouble-free lifespan of CHG Bearing HRU148X, 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.
Standard batches of CHG Bearing HRU148X 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.
Sourcing HRU148X directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for HRU Series Crossed Roller Bearings.
