XRT138-NT - XRT Series Crossed Tapered Roller Bearings

Manufactured by PRS Bearings, the XRT138-NT is a precision XRT Series Crossed Tapered Roller Bearings. You may consider it as an interchangeable alternative and replacement for SKF BFKB353216/HA4, NACHI 350XRN47. Key dimensional parameters include a 350 mm bore diameter, a 470 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.

Technical Specifications

Direct InterchangeSKF BFKB353216/HA4, NACHI 350XRN47
Overview
Basic ModelXRT138-NT
Weight27 kg
Dimensions
Bore Dia (d, mm)350 mm
Outer Dia (D, mm)470 mm
Width (B, mm)50 mm
Chamfer (r, mm)3.3 mm
Load Ratings
Dynamic Load (Cr)308 kN
Static Load (Cor)635 kN
Dynamic Axial Load (Ca)376 kN
Static Axial Load (Coa)1180 kN
Performance
Limit Speed (rpm)560 rpm
CAD Drawing and Dimensions for XRT138-NT XRT Series Crossed Tapered Roller Bearings 470 mm 470 mm 470 mm 470 mm 350 mm 350 mm 350 mm 350 mm XRT138-NT 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm

Frequently Asked Questions about XRT138-NT XRT Series Crossed Tapered Roller Bearings

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

The XRT138-NT is manufactured by PRS Bearings using premium-grade bearing steel that undergoes rigorous quality control processes. The company adheres to international standards including ISO 9001 and IATF 16949, ensuring consistent material purity and structural integrity across all production batches.
Absolutely. The precise manufacturing of the PRS Bearings XRT138-NT 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 XRT138-NT is a drop-in replacement for international models like SKF BFKB353216/HA4, NACHI 350XRN47. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Under optimal lubrication conditions, the PRS Bearings XRT138-NT can reach a limiting speed of 560 RPM. The low-friction raceway finish developed by PRS Bearings allows for cooler running temperatures even at high velocities.