Basic size of mm

d	50
D	80
B	30

The basic rated load is kN

trends C	137
static state Co	176

Fatigue load limit Pu	20

Rated rotation speed is r/min

Refer to the speed	-
limit speed	3000

quality	0.59

model

Bearing cylindrical hole	*C4010V
conical bore	*C4010K30V

Dimensions are mm

d	50
d2 ～	57.6
D1 ～	70.8
r1,2 min	1
s11) ～	6
s21) ～	3

Shoulder gear and chamfer size mm

da min	54.6
da max	67
Da min	-
Da max	75.4
Ca2) max	-
ra max	1

Calculation coefficient

k1	0.103
k2	0.107