Basic size of mm

d	30
D	72
B	30.2

The basic rated load is kN

trends C	41.5
static state Co	27.5

Fatigue load limit Pu	1.16

Limit rotational speed is r/min

With dust cover bearing	9000
sealed bearing	6300

Mass kg	0.52

Model number ²⁾

With dust cover bearing	*3306A-2Z
Bearings with sealing rings	*3306A-2RS1

Dimensions are mm

d	30
d1 ～	39.8
D1 ～	64.1
r1,2 min	1.1
a	42

Shoulder gear and chamfer size mm

da min	37
Da max	39.5
Da max	65
ra max	1