NSK 7312 Btdb Angular Contact Ball Bearing
NSK 7312BTDB Duplex Angular Contact Ball Bearing
A high-precision duplex angular contact ball bearing manufactured by NSK, designed for applications requiring high load capacity, accurate shaft guidance, and reliable axial load handling in both directions. This matched pair bearing set in DB (back-to-back) arrangement provides excellent rigidity, stability, and performance in demanding industrial machinery.
Manufacturer: NSK
Type: Duplex Angular Contact Ball Bearing
Model: 7312BTDB
Application:
Precision machinery, machine tool spindles, gearboxes, pumps, and industrial equipment requiring high axial and radial load capacity with accurate alignment
| Bore Diameter (d) | 60 mm |
| Outer Diameter (D) | 130 mm |
| Width (B) | 31 mm |
| Contact Angle | 40 degrees |
| Basic Dynamic Load Rating (Cr) | 108000 N |
| Basic Static Load Rating (C0r) | 71500 N |
| Limiting Speed (Oil) | 5000 rpm |
| Limiting Speed (Grease) | 3800 rpm |
| Cage | Polyamide |
| Arrangement | DB, Indicates a Back-to-Back Matched Pair |
| No. of Items per Set | 2 |
