PSI20.744 - PSI20 Series 4-Point Contact Ball Slewing Bearings

Manufactured by PRS Bearings, the PSI20.744 is a precision PSI20 Series 4-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VSI200744, SKF RKS.062.20.0744, IMO 12-20 0741, Mijnsbergen I.816.20.00.B, Rothe Erde 062.20.0744, Rollix 32-0741-01. Key dimensional parameters include a mm bore diameter, a mm outer diameter, and a 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 InterchangeINA VSI200744, SKF RKS.062.20.0744, IMO 12-20 0741, Mijnsbergen I.816.20.00.B, Rothe Erde 062.20.0744, Rollix 32-0741-01
Overview
Basic ModelPSI20.744
Weight58 kg
Mounting Dimensions
Outer Ring O.D. (Da)816 mm
Inner Ring I.D. (di)648 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)790 mm
Inner Ring Hole Pitch Dia. (Li)705 mm
No. of Outer Ring Holes (na)40
No. of Inner Ring Holes (ni)40
Gear Parameters
Pitch Circle Dia. (do)660 mm
Module (m)6
No. of Teeth (z)110
CAD Drawing and Dimensions for PSI20.744 PSI20 Series 4-Point Contact Ball Slewing Bearings PSI20.744 816 mm 790 mm 40 mm 40 mm 648 mm 705 mm

Frequently Asked Questions about PSI20.744 PSI20 Series 4-Point Contact Ball Slewing Bearings

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

Absolutely. The precise manufacturing of the PRS Bearings PSI20.744 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
PRS Bearings provides the PSI20.744 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 PSI20.744 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 PSI20.744 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.