Basic size of mm

d	40
D	90
B	36.5

The basic rated load is kN

trends C	64
static state Co	44

Fatigue load limit Pu	1.86

Limit rotational speed is r/min

With dust cover bearing	7500
sealed bearing	5000

Mass kg	0.93

Model number ²⁾

With dust cover bearing	*3308A-2Z
Bearings with sealing rings	*3308A-2RS1

Dimensions are mm

d	40
d1 ～	50.8
D1 ～	80.5
r1,2 min	1.5
a	53

Shoulder gear and chamfer size mm

da min	49
Da max	50.5
Da max	81
ra max	1.5