External dimensions（mm)
| d | 90 |
| D | 190 |
| B | 64 |
| γ(minimum) | 3 |
| γ1(minimum) | 3 |
| FW | 113.5 |
| EW | — |
Bearing code
| | NU 2318 ET |
| NU type | NU |
| NJ type | NJ |
| NUP type | NUP |
| N type | — |
| NF type | — |
Installation size(mm)
| da（minimum） | 103 |
| Db(minimum) | 103 |
| db(maximum） | 111 |
| dc(minimum） | 117 |
| dd(minimum） | 127 |
| da(maximum） | 177 |
| db(maximum） | — |
| Db(minimum) | — |
| γa（maximum） | 2.5 |
| γb(maximum） | 2.5 |
describe
NU 2318 ET Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
