External dimensions（mm)
| d | 8 |
| D | 12 |
| d1 | 13.2 |
| D2 | 13.6 |
| B | 2.5 |
| B1 | 3.5 |
| C1 | 0.6 |
| C2 | 0.8 |
| γ(minimum) | 0.15 |
| γ1(minimum) | 0.1 |
Rated speed min-1
grease
Open type
Z·ZZ
V·VV | 40000 |
| D·DD | — |
oil
Open type
Z | 48000 |
Bearing code
| Open type | MF128 |
| dust cover type | MF128ZZ1 |
| Sealed loop type | — |
| Sealed loop type | — |
Installation size(mm)
| da（minimum） | 9.2 |
| db(maximum） | 9 |
| γa（maximum） | 0.15 |
| γb(maximum） | 0.1 |
weight(g)(refer to)
| Open type | 0.82 |
| dust cover type | 1.15 |
describe
MF128 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
