Deep groove ball bearing 63008-2RS1 40x68x21 mm
Ball bearings of this extra-light series 630 with the same bore and outside diameter are broader than deep groove ball bearings of the 60 series. They can still support moderate radial loads despite their low weight. In comparison to deep groove ball bearings of the likewise 623 broad series they require a smaller installation space in the radial direction at the same inside diameter and weigh only half of them.
| d | 40 mm | Bore diameter |
| D | 68 mm | Outside diameter |
| B | 21 mm | Width |
| d1 | 49.2 mm | Shoulder diameter inner ring |
| D2 | 61.1 mm | Recess diameter outer ring |
| r | 1 mm | Chamfer dimension |
| Cr | 16.8 kN | Basic dynamic load rating |
| C0r | 11 kN | Basic static load rating |
| 6300 r/min | Limiting speed |
| ≈m | 0.27 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Contact seal | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
