External dimensions（mm)
| d | 105 |
| D | 160 |
| B | 26 |
| γ(minimum) | 2 |
| γ1(minimum) | 1.1 |
| FW | 119.5 |
| EW | 1455 |
Bearing code
| | NU 1 021 |
| NU type | NU |
| NJ type | — |
| NUP type | — |
| N type | N |
| NF type | NF |
Installation size(mm)
| da（minimum） | 114 |
| Db(minimum) | 111.5 |
| db(maximum） | 118 |
| dc(minimum） | 122 |
| dd(minimum） | — |
| da(maximum） | 151 |
| db(maximum） | 153.5 |
| Db(minimum) | 147 |
| γa（maximum） | 2 |
| γb(maximum） | 1 |
describe
NU 1 021 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
