Deep groove ball bearing 6321-2Z 105x225x49 mm, non-contact shield
Ball bearings of the 63 medium series offer a balanced ratio between their radial load carrying capacity, the required installation space, their weight and the admissible speed. Consequently they are versatile.
| d | 105 mm | Bore diameter |
| D | 225 mm | Outside diameter |
| B | 49 mm | Width |
| d1 | 141 mm | Shoulder diameter inner ring |
| D2 | 194 mm | Recess diameter outer ring |
| r | 3 mm | Chamfer dimension |
| Cr | 182 kN | Basic dynamic load rating |
| C0r | 153 kN | Basic static load rating |
| 6300 r/min | Reference Speed | |
| 3200 r/min | Limiting speed |
| ≈m | 8.25 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Shield | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| SKF | FAG | NSK | NTN | NACHI |
| 6321-2Z | 6321-2Z | 6321ZZ | 6321ZZ | 6321ZZ |
