PLU20.644 - PLU20 Series 4-Point Contact Ball Slewing Bearings

Manufactured by PRS Bearings, the PLU20.644 is a precision PLU20 Series 4-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VLA200644, SKF RKS.21 0641, KAYDON RK6-25E1Z, IMO 91-20 0641, Mijnsbergen E.750.20.00, Rothe Erde 231.20.0600, Rollix 21-0641-01. 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.

Technical Specifications

Direct InterchangeINA VLA200644, SKF RKS.21 0641, KAYDON RK6-25E1Z, IMO 91-20 0641, Mijnsbergen E.750.20.00, Rothe Erde 231.20.0600, Rollix 21-0641-01
Overview
Basic ModelPLU20.644
Weight37 kg
Mounting Dimensions
Outer Ring O.D. (Da)748 mm
Inner Ring I.D. (di)534 mm
Mounting Holes
Outer Ring Hole Pitch Dia. (La)720 mm
Inner Ring Hole Pitch Dia. (Li)562 mm
No. of Outer Ring Holes (na)12
No. of Inner Ring Holes (ni)16
CAD Drawing and Dimensions for PLU20.644 PLU20 Series 4-Point Contact Ball Slewing Bearings PLU20.644 562 mm 534 mm 720 mm 748 mm 12 mm

Frequently Asked Questions about PLU20.644 PLU20 Series 4-Point Contact Ball Slewing Bearings

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

Every PLU20.644 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.
Yes, PRS Bearings strictly adheres to global environmental directives. The bearing steel and industrial lubricants used in the PLU20.644 are formulated to meet international safety standards, ensuring eco-friendly equipment integration.
PRS Bearings recommends storing the PLU20.644 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.
Absolutely. The precise manufacturing of the PRS Bearings PLU20.644 results in stable, predictable vibration baselines. This makes it highly compatible with modern IoT condition monitoring sensors for early fault detection.