Basic size of mm

d	8
D	16
B	4

The basic rated load is kN

trends C	1.33
static state Co	0.57

Fatigue load limit Pu	0.024

Rated rotation speed is r/min

Refer to the speed	90000
limit speed	56000

Mass kg	0.003
model	618/8

Dimensions are mm

d	8
d1 ～	10.1
D1 ～	14
D2 ～	-
r1,2 min	0.2

Shoulder gear and chamfer size mm

da min	9.4
Da max	14.6
ra max	0.2

Calculation coefficient

kr	0.015
fo	11