Manufactured by PRS Bearings, the PU20.1244 is a precision PU Series Four-Point Contact Ball Slewing Bearings. You may consider it as an interchangeable alternative and replacement for INA VU201244. 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.
PU20.1244 - PU Series Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Direct Interchange | INA VU201244 |
|---|---|
| Overview | |
| Basic Model | PU20.1244 |
| Weight | 125 kg |
| Mounting Dimensions | |
| Outer Ring O.D. (Da) | 1342 mm |
| Inner Ring O.D. (da) | 1245 mm |
| Inner Ring I.D. (di) | 1146 mm |
| Outer Ring I.D. (Di) | 1243 mm |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 1302 mm |
| Inner Ring Hole Pitch Dia. (Li) | 1186 mm |
| No. of Outer Ring Holes (na) | 30 |
1245 mm 1186 mm 1146 mm mm 1243 mm 1302 mm 1342 mm 30 mm PU20.1244 Frequently Asked Questions about PU20.1244 PU Series Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Depending on your thermal and fit requirements, PRS Bearings supplies the PU20.1244 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Yes, while the standard PRS Bearings PU20.1244 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.
Yes. As part of our B2B commitment, if a PU20.1244 experiences unexpected issues in the field, PRS Bearings engineers can perform detailed metallurgical and wear analysis to identify root causes and optimize your future setups.
Yes, beyond standard ISO specifications, PRS Bearings can produce the PU20.1244 with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.