Basic size of mm

d	17
D	40
B	17.5

The basic rated load is kN

trends C	14.3
static state Co	8.8

Fatigue load limit Pu	0.365

Limit rotational speed is r/min

With dust cover bearing	16000
sealed bearing	12000

Mass kg	0.1

Model number ²⁾

With dust cover bearing	3203A-2Z
Bearings with sealing rings	3203A-2RS1

Dimensions are mm

d	17
d1 ～	23.3
D1 ～	35
r1,2 min	0.6
a	23

Shoulder gear and chamfer size mm

da min	21.4
Da max	23
Da max	35.6
ra max	0.6