Basic size of mm

d	70
D	100
B	30

The basic rated load is kN

trends C	163
static state Co	240

Fatigue load limit Pu	28

Rated rotation speed is r/min

Refer to the speed	-
limit speed	2600

quality	0.78

model

Bearing cylindrical hole	*C4914V1)
conical bore	*C4914K30V1)

Dimensions are mm

d	70
d2 ～	78
D1 ～	91
r1,2 min	1
s11) ～	6
s21) ～	2.8

Shoulder gear and chamfer size mm

da min	74.6
da max	78
Da min	-
Da max	95.4
Ca2) max	-
ra max	1

Calculation coefficient

k1	0.107
k2	0.107