Manufactured by CHG Bearing, the HRU445X is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 350 mm bore diameter, a 540 mm outer diameter, and a 45 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.

HRU445X - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU445X |
| 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 | 445.4 mm |
| Bore Diameter (d) | 350 mm |
| Width (B) | 45 mm |
| Outer Diameter (D) | 540 mm |
| Minimum Chamfer Dimension rmin | 2.5 mm |
| Inner Ring Shoulder Diameter ds | 417 mm |
| Outer Ring Shoulder Diameter Dh | 473 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 222 kN |
| Basic Static Radial Load Rating C0r (kN) | 473 kN |
| Reference Data | |
| Reference Mass (kg) | 35.4 kg |
HRU445X 540 mm 350 mm 45 mm Frequently Asked Questions about HRU445X HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies HRU445X with a precision bore diameter (d) of 350 mm, an outside diameter (D) of 540 mm, and a nominal ring width (B) of 45 mm. This configuration yields an effective cross-sectional wall thickness of 95.0 mm and an envelope ratio (D/d) of 1.54, delivering compact rigidity for OEM machinery housings.
Absolutely. The CHG Bearing HRU445X HRU Series Crossed Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HRU445X, FAG HRU445X, NSK HRU445X. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HRU445X, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Built for demanding industrial environments, the HRU445X HRU Series Crossed Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
