Manufactured by PRS Bearings, the PSI20.644 is a precision PSI20 Series 4-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VSI200644, SKF RKS.062.20.0644, IMO 12-20 0641, Mijnsbergen I.716.20.00.B, Rothe Erde 062.20.0644, Rollix 32-0641-01. 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.
PSI20.644 - PSI20 Series 4-Point Contact Ball Slewing Bearings
Technical Specifications
| Direct Interchange | INA VSI200644, SKF RKS.062.20.0644, IMO 12-20 0641, Mijnsbergen I.716.20.00.B, Rothe Erde 062.20.0644, Rollix 32-0641-01 |
|---|---|
| Overview | |
| Basic Model | PSI20.644 |
| Weight | 50 kg |
| Mounting Dimensions | |
| Outer Ring O.D. (Da) | 716 mm |
| Inner Ring I.D. (di) | 546 mm |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 690 mm |
| Inner Ring Hole Pitch Dia. (Li) | 605 mm |
| No. of Outer Ring Holes (na) | 36 |
| No. of Inner Ring Holes (ni) | 36 |
| Gear Parameters | |
| Pitch Circle Dia. (do) | 558 mm |
| Module (m) | 6 |
| No. of Teeth (z) | 93 |
PSI20.644 716 mm 690 mm 36 mm 36 mm 546 mm 605 mm Frequently Asked Questions about PSI20.644 PSI20 Series 4-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, PRS Bearings is a leading OEM partner. We offer bulk B2B pricing for the PSI20.644, along with custom laser marking, specialized packaging, and technical documentation (MTR/COC) tailored to your company's requirements.
PRS Bearings provides a comprehensive B2B warranty for the PSI20.644 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PSI20 Series 4-Point Contact Ball Slewing Bearings operates optimally within your specific machinery.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PSI20.644 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Yes, while the standard PRS Bearings PSI20.644 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.