Manufactured by PRS Bearings, the XRT099-NT is a precision XRT Series Crossed Tapered Roller Bearings. You may consider it as an interchangeable alternative and replacement for BFKB353215/HA4, NACHI 250XRN35. Key dimensional parameters include a 250 mm bore diameter, a 350 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.
XRT099-NT - XRT Series Crossed Tapered Roller Bearings
Technical Specifications
| Direct Interchange | BFKB353215/HA4, NACHI 250XRN35 |
|---|---|
| Overview | |
| Basic Model | XRT099-NT |
| Weight | 13 kg |
| Dimensions | |
| Bore Dia (d, mm) | 250 mm |
| Outer Dia (D, mm) | 350 mm |
| Width (B, mm) | 40 mm |
| Chamfer (r, mm) | 1.3 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 187 kN |
| Static Load (Cor) | 355 kN |
| Dynamic Axial Load (Ca) | 228 kN |
| Static Axial Load (Coa) | 657 kN |
| Performance | |
| Limit Speed (rpm) | 670 rpm |
350 mm 350 mm 350 mm 350 mm 250 mm 250 mm 250 mm 250 mm XRT099-NT 40 mm 40 mm 40 mm 40 mm 40 mm 40 mm 40 mm 40 mm Frequently Asked Questions about XRT099-NT XRT Series Crossed Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The PRS Bearings XRT099-NT is a drop-in replacement for international models like BFKB353215/HA4, NACHI 250XRN35. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
Yes, while the standard PRS Bearings XRT099-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.
Every XRT099-NT batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
Certainly. While the standard XRT099-NT 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.