Basic size of mm

d	46.038
D	79.375
T	17.462

The basic rated load is kN

trends C	57
static state Co	62

Fatigue load limit Pu	6.8

Rated rotation speed is r/min

Refer to the speed	7000
limit speed	9000

quality	0.33
model	*18690/18620/Q
series	18600

Dimensions are mm

d	46.038
d1 ～	60.3
B	17.462
C	13.495
r1,2 min	2.8
r3,4 min	1.5
a	15

Shoulder gear and chamfer size mm

Da max	53
db min	56.5
Da min	69
Da max	72
Db min	73
Ca min	3
Cb min	3.5
ra max	2.5
rb max	1.5

Calculation coefficient

e	0.37
Y	1.6
Yo	0.9