Basic size of mm

d	30
D	52
H	16

The basic rated load is kN

trends C	25.5
static state Co	51

Fatigue load limit, Pu	1.9
The min load factor, A	0.013

Rated rotation speed is r/min

Refer to the speed	4800
limit speed	6700

quality kg	0.13
model	51206

Dimensions are mm

d	30
d1 ～	52
D1 ～	32
r1,2 min	0.6

Shoulder gear and chamfer size mm

da min	43
Da max	39
ra max	0.6