External dimensions（mm)
| d | 55 |
| D | 120 |
| B | 29 |
| γ(minimum) | 2 |
| γ1(minimum) | 1 |
size（mm)
| d1 | 67.1 |
| D2 | 82.7 |
| d1 | 92.3 |
| D2 | 110.1 |
Recommended lubricating grease
Rated dynamic load Ca
Single -row bear load
DF, DB
(N) | 171000 |
Double-row bear load
DT, DF, DBD
DFF, DBB
(N) | 278000 |
| 3 columns bear load DTD,DFT,DBT（N) | 370000 |
Ultimate axial load
Single -row bear load
DF, DB
(N) | 133000 |
Double-row bear load
DT, DF, DBD
DFF, DBB
(N) | 266000 |
| 3 columns bear load DTD,DFT,DBT（N) | 400000 |
describe
55TAC03AT85 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
