Manufactured by CHG Bearing, the HXSU140644 is a precision HXSU Series Crossed Roller Bearings. Key dimensional parameters include a 574 mm bore diameter, a 714 mm outer diameter, and a 56 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.

HXSU140644 - HXSU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HXSU140644 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HXSU |
| Design Type | Integrated Inner and Outer Rings |
| Seal Type | Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | — mm |
| Bore Diameter (d) | 574 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 714 mm |
| Minimum Chamfer Dimension rmin | 2.5 mm |
| Inner Ring Shoulder Diameter ds | — mm |
| Outer Ring Shoulder Diameter Dh | — mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 185 kN |
| Basic Static Radial Load Rating C0r (kN) | 395 kN |
| Reference Data | |
| Reference Mass (kg) | 44 kg |
HXSU140644 714 mm 574 mm 56 mm Frequently Asked Questions about HXSU140644 HXSU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting HXSU140644 over a 574 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To safeguard CHG Bearing HXSU140644 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (574 mm x 714 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To ensure optimum performance of CHG Bearing HXSU140644 HXSU Series Crossed Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 574 mm bore. For the 714 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Absolutely. The CHG Bearing HXSU140644 HXSU Series Crossed Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HXSU140644, FAG HXSU140644, NSK HXSU140644. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
