outline dimension (mm)

FW	45
D	52
C0-0.25	20
C1,C2 （max）	2.5

Basic rated dynamic load

(N) Cr	35000
{kgf} Cr	3550

limit load

(N) Pmax	38500
{kgf} Pmax	3900

Limit of rotation speed (rpm)

Fat lubrication	1600
oiling	2600

bearing symbol

With holder perforation type	-
With holder sealing type	-
Full-pack needle rolling type perforation type	F-4520
Full roll needle type sealing type	MF-4520

There is an inner circle

Inner circle code name	F1R-404520
Overall dimension (mm) d	40
Overall dimensions (mm ) B	20.5
Installation size d a (min)	44
Installation size γ a (max)	0.6

Weight without the inner ring (g) (ref.)

perforate	67
Seal mouth type	78