Basic size of mm

d	55
D	90
H	25

The basic rated load is kN

trends C	61.8
static state Co	146

Fatigue load limit, Pu	5.4
The min load factor, A	0.11

Rated rotation speed is r/min

Refer to the speed	2800
limit speed	4000

quality kg	0.59
model	51211

Dimensions are mm

d	55
d1 ～	90
D1 ～	57
r1,2 min	1

Shoulder gear and chamfer size mm

da min	76
Da max	69
ra max	1