PSA20.744 - PSA20 Series Four-Point Contact Ball Slewing Bearings

Manufactured by PRS Bearings, the PSA20.744 is a precision PSA20 Series Four-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VSA200744, SKF RKS.061.20.0744, IMO 11-200741, Mijnsbergen E.850.20.00.B, Rothe Erde 061.20.0744, Rollix 31-0741-01. 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 VSA200744, SKF RKS.061.20.0744, IMO 11-200741, Mijnsbergen E.850.20.00.B, Rothe Erde 061.20.0744, Rollix 31-0741-01
Overview
Basic ModelPSA20.744
Weight59 kg
Mounting Dimensions
Outer Ring O.D. (Da)838.1 mm
Inner Ring I.D. (di)672 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)785 mm
Inner Ring Hole Pitch Dia. (Li)698 mm
No. of Outer Ring Holes (na)36
No. of Inner Ring Holes (ni)40
Gear Parameters
Pitch Circle Dia. (do)828 mm
Module (m)6
No. of Teeth (z)138
CAD Drawing and Dimensions for PSA20.744 PSA20 Series Four-Point Contact Ball Slewing Bearings PSA20.744 838.1 mm 672 mm 785 mm 698 mm 36 mm 40 mm

Frequently Asked Questions about PSA20.744 PSA20 Series Four-Point Contact Ball Slewing Bearings

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

Absolutely. The PRS Bearings PSA20.744 is a drop-in replacement for international models like INA VSA200744, SKF RKS.061.20.0744, IMO 11-200741, Mijnsbergen E.850.20.00.B, Rothe Erde 061.20.0744, Rollix 31-0741-01. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PSA20.744 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Absolutely. The precise manufacturing of the PRS Bearings PSA20.744 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.
The PSA20.744 utilizes high-purity bearing steel treated with PRS Bearings's advanced thermal processes. This creates a tough core that effectively absorbs shock loads while maintaining a highly wear-resistant surface on the raceways.