XRSU14.644 - XRSU Series Crossed Roller Slewing Bearings

Manufactured by PRS Bearings, the XRSU14.644 is a precision XRSU Series Crossed Roller Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA XSU140644. Key dimensional parameters include a mm bore diameter, a mm outer diameter, and a mm overall width. With matching boundary dimensions, 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.

Technical Specifications

Direct InterchangeINA XSU140644
Overview
Basic ModelXRSU14.644
Weight44 kg
Performance
Clearance / Preload0.01-0.04
Accuracy
Accuracy A0.05
Accuracy B0.05
Accuracy C0.08
Accuracy D0.07
Mounting Dimensions
Outer Ring O.D. (Da)714 mm
Inner Ring O.D. (da)643 mm
Inner Ring I.D. (di)574 mm
Outer Ring I.D. (Di)645 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)690 mm
Inner Ring Hole Pitch Dia. (Li)598 mm
No. of Outer Ring Holes (na)36
No. of Inner Ring Holes (ni)36
CAD Drawing and Dimensions for XRSU14.644 XRSU Series Crossed Roller Slewing Bearings 643 mm 598 mm 574 mm 645 mm 690 mm 714 mm XRSU14.644 36 36

Frequently Asked Questions about XRSU14.644 XRSU Series Crossed Roller Slewing Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Absolutely. The precise manufacturing of the PRS Bearings XRSU14.644 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
Absolutely. The PRS Bearings XRSU14.644 is a drop-in replacement for international models like INA XSU140644. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
PRS Bearings recommends storing the XRSU14.644 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.
The XRSU14.644 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.