Basic size of mm

d	45
D	100
B	25

The basic rated load is kN

trends C	59.4
static state Co	46.5

Fatigue load limit Pu	1.96

Rated rotation speed is r/min

Refer to the speed	13000
Limit speed 1)	8000

Mass kg	0.88

model

Bearing open type	309
Dust cover on one side	309-Z
There are dust covers on both sides	309-2Z

Dimensions are mm

d	45
d1 ～	55.9
D2 ～	86.7
r1,2 min	1.5

Shoulder gear and chamfer size mm

da min	53
Da max	92
ra max	1.5