External dimensions（mm)
| d | 20 |
| D | 47 |
| B | 15 |
| γ(minimum) | 1 |
| γ1(minimum) | 0.6 |
size（mm)
| d1 | 25.1 |
| D2 | 30.8 |
| d1 | 36 |
| D2 | 41.8 |
Rated dynamic load Ca
Single -row bear load
DF, DB
(N) | 21900 |
Double-row bear load
DT, DF, DBD
DFF, DBB
(N) | 35500 |
| 3 columns bear load DTD,DFT,DBT（N) | 47500 |
Ultimate axial load
Single -row bear load
DF, DB
(N) | 26600 |
Double-row bear load
DT, DF, DBD
DFF, DBB
(N) | 53000 |
| 3 columns bear load DTD,DFT,DBT（N) | 79500 |
describe
20 TAC 47B DDG Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
