Heavy Duty Deep groove ball bearing 6404 20x72x19 mm
Ball bearings of the 64 solid series can support considerably higher load-ratings at the same inside diameter than deep groove ball bearings of the 60, 62 and 63 series. They have the double load carrying capacity compared to deep groove ball bearings of the 62 light series, for example.
| d | 20 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 19 mm | Width |
| d1 | 37.1 mm | Shoulder diameter inner ring |
| D1 | 54.8 mm | Shoulder diameter outer ring |
| r | 1.1 mm | Chamfer dimension |
| Cr | 30.7 kN | Basic dynamic load rating |
| C0r | 15 kN | Basic static load rating |
| 24000 r/min | Reference Speed | |
| 15000 r/min | Limiting speed |
| ≈m | 0.41 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| SKF | FAG |
| 6404 | 6404 |
