Basic size of mm

d	45
D	85
B	19

The basic rated load is kN

trends C	39.6
static state Co	32.5

Fatigue load limit Pu	1.37

Rated rotation speed is r/min

Refer to the speed	14000
Limit speed 1)	9000

Mass kg	0.44

model

Bearing open type	209
Dust cover on one side	209-Z
There are dust covers on both sides	209-2Z

Dimensions are mm

d	45
d1 ～	52.5
D2 ～	75.2
r1,2 min	1.1

Shoulder gear and chamfer size mm

da min	51.5
Da max	78.5
ra max	1