Deep groove ball bearing 63/28-2RS 28x68x18 mm, contact seal
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 | 28 mm | Bore diameter |
| D | 68 mm | Outside diameter |
| B | 18 mm | Width |
| d1 | 41.7 mm | Shoulder diameter inner ring |
| D1 | 57.8 mm | Shoulder diameter outer ring |
| r | 1.1 mm | Chamfer dimension |
| Cr | 25.1 kN | Basic dynamic load rating |
| C0r | 13.7 kN | Basic static load rating |
| 22000 r/min | Reference Speed | |
| 75000 r/min | Limiting speed |
| ≈m | 0.3 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Contact seal | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| NSK | NTN | NACHI |
| 63/28DDU 63/28VV | 63/28LLU 63/28LLB | 63/28-2NSE 63/28-2NKE |
