Basic size of mm

d	20
D	40
H	14

The basic rated load is kN

trends C	22.5
static state Co	40.5

Fatigue load limit, Pu	1.53
The min load factor, A	0.0085

Rated rotation speed is r/min

Refer to the speed	6000
limit speed	8000

quality kg	0.083
model	51204

Dimensions are mm

d	20
d1 ～	40
D1 ～	22
r1,2 min	0.6

Shoulder gear and chamfer size mm

da min	32
Da max	28
ra max	0.6