External dimensions（mm)
| d | 7 |
| D | 13 |
| d1 | 14.2 |
| D2 | 14.6 |
| B | 3 |
| B1 | 4 |
| C1 | 0.6 |
| C2 | 0.8 |
| γ(minimum) | 0.2 |
| γ1(minimum) | 0.15 |
Rated speed min-1
grease
Open type
Z·ZZ
V·VV | 40000 |
| D·DD | — |
oil
Open type
Z | 48000 |
Bearing code
| Open type | MF137 |
| dust cover type | MF137ZZ |
| Sealed loop type | — |
| Sealed loop type | — |
Installation size(mm)
| da（minimum） | 8.6 |
| db(maximum） | 9 |
| γa（maximum） | 0.2 |
| γb(maximum） | 0.15 |
weight(g)(refer to)
| Open type | 1.7 |
| dust cover type | 2.23 |
describe
MF137 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
