Basic size of mm

d	9
D	17
B	4

The basic rated load is kN

trends C	1.43
static state Co	0.64

Fatigue load limit Pu	0.027

Rated rotation speed is r/min

Refer to the speed	85000
limit speed	53000

Mass kg	0.0034
model	618/9

Dimensions are mm

d	9
d1 ～	11.1
D1 ～	15
D2 ～	-
r1,2 min	0.2

Shoulder gear and chamfer size mm

da min	10.4
Da max	15.6
ra max	0.2

Calculation coefficient

kr	0.015
fo	11