Basic size of mm

d	20
D	47
B	20.6

The basic rated load is kN

trends C	20
static state Co	12

Fatigue load limit Pu	0.51

Limit rotational speed is r/min

With dust cover bearing	14000
sealed bearing	10000

Mass kg	0.16

Model number ²⁾

With dust cover bearing	*3204A-2Z
Bearings with sealing rings	*3204A-2RS1

Dimensions are mm

d	20
d1 ～	27.7
D1 ～	40.9
r1,2 min	1
a	28

Shoulder gear and chamfer size mm

da min	25.6
Da max	27.5
Da max	41.4
ra max	1