Basic size of mm

d	40
D	90
B	23

The basic rated load is kN

trends C	46.8
static state Co	36

Fatigue load limit Pu	1.53

Rated rotation speed is r/min

Refer to the speed	14000
Limit speed 1)	9000

Mass kg	0.64

model

Bearing open type	308
Dust cover on one side	308-Z
There are dust covers on both sides	308-2Z

Dimensions are mm

d	40
d1 ～	50.5
D2 ～	77.7
r1,2 min	1.5

Shoulder gear and chamfer size mm

da min	48
Da max	82
ra max	1.5