Thin section deep groove ball bearing 61808-2Z 40x52x7 mm
Thin section bearings of the 68 series are very narrow and light. They can be used extensively for where space is limit or weight is a concern, such as in small motors, appliances, aircraft and racing cars.
Features:
| d | 40 mm | Bore diameter |
| D | 52 mm | Outside diameter |
| B | 7 mm | Width |
| d1 | 43.2 mm | Shoulder diameter inner ring |
| D2 | 49.3 mm | Recess diameter outer ring |
| r | 0.3 mm | Chamfer dimension |
| Cr | 4.49 kN | Basic dynamic load rating |
| C0r | 3.75 kN | Basic static load rating |
| 26000 r/min | Reference Speed | |
| 13000 r/min | Limiting speed |
| ≈m | 0.034 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Shield | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| NSK | NACHI |
| 6808ZZ | 6808ZZE |
