External dimensions（mm)
| FW | 45 |
| D | 52 |
| C0-0.25 | 20 |
C1,C2
（maximum） | 2.5 |
Basic Dynamic Load Rating
Extreme load
(N)
Pmax | 38500 |
{kgf}
Pmax | 3900 |
Bearing code
With a holder
perforated type | - |
With a holder
Sealed type type | - |
Fully loaded needle rollers type
perforated type | F-4520 |
Fully loaded needle rollers type
Sealed type type | MF-4520 |
There is an inner ring
| Inner ringcode | F1R-404520 |
External dimensions（mm)
d | 40 |
External dimensions（mm
)B | 20.5 |
Installation size
da
(minimum） | 44 |
Installation size
γa
(maximum） | 0.6 |
Weight without Inner Ring(g)
（refer to）
| perforated type | 67 |
| Sealed type type | 78 |
describe
F-4520 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
