Basic size of mm

d	20
D	32
B	7

The basic rated load is kN

trends C	4.03
static state Co	2.32

Fatigue load limit Pu	0.104

Rated rotation speed is r/min

Refer to the speed	45000
limit speed	28000

Mass kg	0.018
model	61804

Dimensions are mm

d	20
d1 ～	24
D1 ～	28.3
D2 ～	-
r1,2 min	0.3

Shoulder gear and chamfer size mm

da min	22
Da max	30
ra max	0.3

Calculation coefficient

kr	0.015
fo	15