XRU 35045 - XRU Crossed Roller Bearings

Manufactured by PRS Bearings, the XRU 35045 is a precision XRU Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RU445. Key dimensional parameters include a 350 mm bore diameter, a 540 mm outer diameter, and a 45 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 InterchangeTHK RU445
Overview
Basic ModelXRU 35045
Weight35.4 kg
Dimensions
Bore Dia (d, mm)350 mm
Outer Dia (D, mm)540 mm
Width (B, mm)45 mm
Roller Pitch Dia (Dpw)445.4 mm
Load Ratings
Dynamic Load (Cr)222 kN
Static Load (Cor)473 kN
Performance
Double Seal (ds)417 mm
Double High-Performance Seal (Dh)473 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)505 mm
No. of Outer Ring Holes (na)24
No. of Inner Ring Holes (ni)24
CAD Drawing and Dimensions for XRU 35045 XRU Crossed Roller Bearings 350 mm 540 mm 350 mm 540 mm 45 mm 45 mm XRU 35045

Frequently Asked Questions about XRU 35045 XRU Crossed Roller Bearings

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

To maximize the performance of the XRU 35045, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 350 mm bore. For the 540 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
PRS Bearings recommends storing the XRU 35045 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.
Yes, beyond standard ISO specifications, PRS Bearings can produce the XRU 35045 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
PRS Bearings provides a comprehensive B2B warranty for the XRU 35045 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the XRU Crossed Roller Bearings operates optimally within your specific machinery.