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Deep groove ball bearings which can not be dismantled can bear both axial and radial loading with a high rotation speed. The closed bearing help the bearing save maintenance and make the structure easy.
| d | 20 |
| D | 37 |
| B | 9 |
| r | 0.3 |
| Cr | 6.35 |
| Cor | 3.70 |
| (Z, ZZ, RU, 2RU) | 19000 |
| (RD, 2RD) | 17000 |
| (RS, 2RS) | 11000 |
| Oil | 23000 |
| Bearing Designation With Steel Shields | 6904 ZZ |
| da | 22 |
| max | 23.5 |
| Da | 35 |
| ra | 0.3 |
| Mass(g) | 0.036 |