Basic size of mm

d	17
D	40
B	12

The basic rated load is kN

trends C	11.1
static state Co	6.1

Fatigue load limit Pu	0.26

Rated rotation speed is r/min

Refer to the speed	20000
limit speed	20000

Mass kg	0.064

Model number ¹⁾

General distribution bearings	-
Basic design bearings	7203BEY

Dimensions are mm

d	17
d1 ～	26.3
d2 ～	21.7
D1 ～	31.2
r1,2 min	0.6
r3,4 min	0.6
a	18

Shoulder gear and chamfer size mm

da min	21.2
Da max	35.8
db max	35.8
ra max	0.6
rb max	0.6