Basic size of mm

d	55
D	80
B	25

The basic rated load is kN

trends C	106
static state Co	153

Fatigue load limit Pu	18

Rated rotation speed is r/min

Refer to the speed	-
limit speed	3200

quality	0.43

model

Bearing cylindrical hole	*C4911V1)
conical bore	*C4911K30V1)

Dimensions are mm

d	55
d2 ～	62
D1 ～	72.1
r1,2 min	1
s11) ～	5.5
s21) ～	2.5

Shoulder gear and chamfer size mm

da min	59.6
da max	62
Da min	-
Da max	80.4
Ca2) max	-
ra max	1

Calculation coefficient

k1	0.107
k2	0.105