Manufactured by PRS Bearings, the XRT140-NT is a precision XRT Series Crossed Tapered Roller Bearings. You may consider it as an interchangeable alternative and replacement for Timken JXR699050. Key dimensional parameters include a 370 mm bore diameter, a 495 mm outer diameter, and a 50 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.
XRT140-NT - XRT Series Crossed Tapered Roller Bearings
Technical Specifications
| Direct Interchange | Timken JXR699050 |
|---|---|
| Overview | |
| Basic Model | XRT140-NT |
| Weight | 30 kg |
| Dimensions | |
| Bore Dia (d, mm) | 370 mm |
| Outer Dia (D, mm) | 495 mm |
| Width (B, mm) | 50 mm |
| Chamfer (r, mm) | 3.3 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 93.6 kN |
| Dynamic Axial Load (Ca) | 119 kN |
| Performance | |
| Limit Speed (rpm) | 600 rpm |
495 mm 495 mm 495 mm 495 mm 370 mm 370 mm 370 mm 370 mm XRT140-NT 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm Frequently Asked Questions about XRT140-NT XRT Series Crossed Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings provides the XRT140-NT with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.
Yes, while the standard PRS Bearings XRT140-NT meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Under optimal lubrication conditions, the PRS Bearings XRT140-NT can reach a limiting speed of 600 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.
The L10 life of the PRS Bearings XRT140-NT is calculated based on its 93.6 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.