Manufactured by PRS Bearings, the XRB 40040 is a precision XRB Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RB40040, IKO CRB40040, NSK NRXT40040. Key dimensional parameters include a 400 mm bore diameter, a 510 mm outer diameter, and a 40 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.
XRB 40040 - XRB Crossed Roller Bearings
Technical Specifications
| Direct Interchange | THK RB40040, IKO CRB40040, NSK NRXT40040 |
|---|---|
| Overview | |
| Basic Model | XRB 40040 |
| Weight | 23.5 kg |
| Dimensions | |
| Bore Dia (d, mm) | 400 mm |
| Outer Dia (D, mm) | 510 mm |
| Width (B, mm) | 40 mm |
| Roller Pitch Dia (Dpw) | 453.4 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 241 kN |
| Static Load (Cor) | 531 kN |
| Performance | |
| Double Seal (ds) | 428 mm |
| Double High-Performance Seal (Dh) | 479 mm |
400 mm 40 mm 428 mm 479 mm XRB 40040 Frequently Asked Questions about XRB 40040 XRB Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The L10 life of the PRS Bearings XRB 40040 is calculated based on its 241 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.
The PRS Bearings XRB 40040 features precision-machined corner chamfers designed to facilitate easier mounting. These ISO-standard chamfers ensure that the XRB Crossed Roller Bearings fits snugly against shaft shoulders, preventing stress concentration at the 400 mm bore interface.
Longevity of the PRS Bearings XRB 40040 is achieved through precise alignment and correct lubrication. The bearing's roller pitch diameter (Dpw: 453.4) plays a crucial role in load distribution and should be verified during maintenance. PRS Bearings also suggests regular monitoring of vibration levels to detect any signs of fatigue before they impact your production line.
Certainly. While the standard XRB 40040 is pre-filled with high-grade industrial lubricant, PRS Bearings can provide custom fills, including food-grade (NSF H1), high-temperature, or extreme-pressure greases tailored to your operational needs.