Basic size of mm

d	7
D	14
B	3.5

The basic rated load is kN

trends C	0.956
static state Co	0.4

Fatigue load limit Pu	0.017

Rated rotation speed is r/min

Refer to the speed	100000
limit speed	63000

Mass kg	0.0022
model	618/7

Dimensions are mm

d	7
d1 ～	8.9
D1 ～	12.2
D2 ～	-
r1,2 min	0.15

Shoulder gear and chamfer size mm

da min	7.8
Da max	13.2
ra max	0.1

Calculation coefficient

kr	0.015
fo	11