Basic size of mm

d	17
D	40
B	12

The basic rated load is kN

trends C	11.4
static state Co	5.4

Fatigue load limit Pu	0.228

Rated rotation speed is r/min

Refer to the speed	38000
limit speed	24000

Mass kg	0.064
model	6203ETN9

Dimensions are mm

d	17
d1 ～	23.9
D1 ～	33.5
D2 ～	-
r1,2 min	0.6

Shoulder gear and chamfer size mm

da min	21.2
Da max	35.8
ra max	0.6

Calculation coefficient

kr	0.03
fo	12