External dimensions（mm)
| d | 6.35 |
| D | 19.05 |
| B | 5.558 |
| B1 | 7.142 |
| γ(minimum) | 0.4 |
Rated speed min-1
grease
Open type
Z·ZZ | 36000 |
oil
Open type
Z | 43000 |
Bearing code
| Open type | R4AA |
| dust cover type | R4AA ZZ |
Installation size(mm)
| da（minimum） | 9.4 |
| db(maximum） | 9 |
| Da（maximum） | 16 |
| db(maximum） | 16.6 |
| γa（maximum） | 0.4 |
weight(g)(refer to)
| Open type | 7.48 |
| dust cover type | 9.17 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
