External dimensions（mm)
| d | 9 |
| D | 17 |
| B | 4 |
| B1 | 5 |
| γ(minimum) | 0.2 |
| γ1(minimum) | 0.2 |
Rated speed min-1
grease
Z·ZZ
V·VV | 68 |
| D·DD | 24000 |
| oilZ | 43000 |
Bearing code
| Open type | 689 |
| dust cover type | 689ZZ1 |
Non contact
sealed | VV |
| Contact sealed | DD |
Installation size(mm)
| da（minimum） | 10.6 |
| db(maximum） | 11.5 |
| da(maximum） | 15.4 |
| Db(minimum) | 15.2 |
| γa（maximum） | 0.2 |
| γb(maximum） | 0.2 |
weight(g)(refer to)
| Open type | 3.53 |
| dust cover type | 4.43 |
describe
689 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
