Basic size of mm

d	17
D	47
B	22.2

The basic rated load is kN

trends C	21.6
static state Co	12.7

Fatigue load limit Pu	0.54

Limit rotational speed is r/min

With dust cover bearing	14000
sealed bearing	11000

Mass kg	0.18

Model number ²⁾

With dust cover bearing	3303A-2Z
Bearings with sealing rings	3303A-2RS1

Dimensions are mm

d	17
d1 ～	25.7
D1 ～	40.2
r1,2 min	1
a	28

Shoulder gear and chamfer size mm

da min	22.6
Da max	25.5
Da max	41.4
ra max	1