External dimensions（mm)
| d | 8 |
| D | 12 |
| B | 2.5 |
| B1 | 3.5 |
| γ(minimum) | 0.15 |
| γ1(minimum) | 0.1 |
Rated speed min-1
grease
Z·ZZ
V·VV | 28 |
| D·DD | - |
| oilZ | 48000 |
Bearing code
| Open type | MR128 |
| dust cover type | MR128ZZ1 |
Non contact
sealed | — |
| Contact sealed | — |
Installation size(mm)
| da（minimum） | 9.2 |
| db(maximum） | 9 |
| da(maximum） | 10.8 |
| Db(minimum) | 11.3 |
| γa（maximum） | 0.15 |
| γb(maximum） | 0.1 |
weight(g)(refer to)
| Open type | 0.71 |
| dust cover type | 0.97 |
describe
MR128 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
