Manufactured by PRS Bearings, the XRB 70045 is a precision XRB Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RB70045, IKO CRB70045. Key dimensional parameters include a 700 mm bore diameter, a 815 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.
XRB 70045 - XRB Crossed Roller Bearings
Technical Specifications
| Direct Interchange | THK RB70045, IKO CRB70045 |
|---|---|
| Overview | |
| Basic Model | XRB 70045 |
| Weight | 46 kg |
| Dimensions | |
| Bore Dia (d, mm) | 700 mm |
| Outer Dia (D, mm) | 815 mm |
| Width (B, mm) | 45 mm |
| Roller Pitch Dia (Dpw) | 753.5 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 281 kN |
| Static Load (Cor) | 836 kN |
| Performance | |
| Double Seal (ds) | 731 mm |
| Double High-Performance Seal (Dh) | 777 mm |
700 mm 45 mm 731 mm 777 mm XRB 70045 Frequently Asked Questions about XRB 70045 XRB Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, beyond standard ISO specifications, PRS Bearings can produce the XRB 70045 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
Depending on your thermal and fit requirements, PRS Bearings supplies the XRB 70045 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Yes, while the standard PRS Bearings XRB 70045 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 XRB 70045 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.