Basic size of mm

d	50
D	80
B	30

The basic rated load is kN

trends C	116
static state Co	140

Fatigue load limit Pu	16

Rated rotation speed is r/min

Refer to the speed	5000
limit speed	7500

quality	0.55

model

Bearing cylindrical hole	*C4010TN9
conical bore	*C4010K30TN9

Dimensions are mm

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

Shoulder gear and chamfer size mm

da min	54.6
da max	57
Da min	69
Da max	75.4
Ca2) max	0.1
ra max	1

Calculation coefficient

k1	0.103
k2	0.107