Manufactured by PRS Bearings, the PU20.1220 is a precision PU Series Four-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VU201220. 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.
PU20.1220 - PU Series Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Direct Interchange | INA VU201220 |
|---|---|
| Overview | |
| Basic Model | PU20.1220 |
| Weight | 85 kg |
| Mounting Dimensions | |
| Outer Ring O.D. (Da) | 1290 mm |
| Inner Ring O.D. (da) | 1221 mm |
| Inner Ring I.D. (di) | 1150 mm |
| Outer Ring I.D. (Di) | 1219 mm |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 1266 mm |
| Inner Ring Hole Pitch Dia. (Li) | 1176 mm |
| No. of Outer Ring Holes (na) | 84 |
1221 mm 1176 mm 1150 mm mm 1219 mm 1266 mm 1290 mm 84 mm PU20.1220 Frequently Asked Questions about PU20.1220 PU Series Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings recommends storing the PU20.1220 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.
PRS Bearings provides the PU20.1220 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.
PRS Bearings provides a comprehensive B2B warranty for the PU20.1220 against manufacturing defects. Furthermore, our engineering team offers ongoing technical support to ensure the PU Series Four-Point Contact Ball Slewing Bearings operates optimally within your specific machinery.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the PU20.1220 for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.