Basic size of mm

d	20
D	47
B	18

The basic rated load is kN

trends C	17.8
static state Co	12.5

Fatigue load limit Pu	0.53

Rated rotation speed is r/min

Refer to the speed	24000
limit speed	13000

Mass kg	0.14
model	4204ATN9

Dimensions are mm

d	20
d1 ～	29.7
D1 ～	38.3
r1,2 min	1

Shoulder gear and chamfer size mm

da min	25
Da max	42
ra max	1

Calculation coefficient

kr	0.05
fo	14