Manufactured by PRS Bearings, the PB70045 is a precision Metric PB Series Bearings. You may consider it as an interchangeable alternative and replacement for KAYDON BB70045. Key dimensional parameters include a 815 mm bore diameter, a 45 mm outer diameter, and a 0.09-0.12 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.
PB70045 - Metric PB Series Bearings
Technical Specifications
| Direct Interchange | KAYDON BB70045 |
|---|---|
| Overview | |
| Basic Model | PB70045 |
| Weight | 700 kg |
| Dimensions | |
| Bore Dia (d, mm) | 815 mm |
| Outer Dia (D, mm) | 45 mm |
| Width (B, mm) | 0.09-0.12 mm |
| Load Ratings | |
| Dynamic Axial Load (Ca) | 0.045 kN |
45 mm 45 mm 815 mm 815 mm 0.09-0.12 mm 0.09-0.12 mm PB70045 Frequently Asked Questions about PB70045 Metric PB Series Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The standard PB70045 from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 815 mm x 45 mm dimensions without warping.
To maximize the performance of the PB70045, PRS Bearings technical engineers suggest a shaft fit of k5/m5 for its 815 mm bore. For the 45 mm outer diameter, an H7 or J7 housing tolerance is ideal to accommodate thermal expansion while maintaining PRS Bearings's signature operational stability.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PB70045, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
Yes, while the standard PRS Bearings PB70045 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.