Basic size of mm

d	7
D	11
B	3

The basic rated load is kN

trends C	0.291
static state Co	0.127

Fatigue load limit Pu	0.0056

Rated rotation speed is r/min

Refer to the speed	110000
limit speed	56000

Mass kg	0.0007
model	W627/7-2Z

Dimensions are mm

d	7
d1 ～	8
D1 ～	10.3
r1,2 min	0.1

Shoulder gear and chamfer size mm

da min	7.6
Da max	10.4
ra max	0.1

Calculation coefficient

kr	0.015
fo	10