A deep-groove ball bearing with a quarter cut away. The shaft drives the inner ring. The outer ring stays still.
| Bore × outside × width | 25 × 52 × 15 mm |
| Balls | 9 × 7.94 mm (5/16″) |
| Pitch diameter | 38.5 mm |
| Load rating, dynamic C | 14.8 kN |
| Inner ring + shaft | – |
| Cage (and ball orbit) | – |
| Each ball, own axis | – |