Extra thin section deep groove ball bearing 6704 / 61704 ZZ/2Z 20x27x4 mm
Thin section bearing 67 / 617 series are extremely narrow, extremely light and with utmost good spinning characteristics. They can also be used with limited space. The low weight allows for utmost high speeds.
| d | 20 mm | Bore diameter |
| D | 27 mm | Outside diameter |
| B | 4 mm | Width |
| d1 | 22.4 mm | Shoulder diameter inner ring |
| D2 | 25.44 mm | Recess diameter outer ring |
| r | 0.2 mm | Chamfer dimension |
| Cr | 1.4 kN | Basic dynamic load rating |
| C0r | 0.72 kN | Basic static load rating |
| 10000 r/min | Reference Speed | |
| 9000 r/min | Limiting speed |
| ≈m | 0.0059 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Shield | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
