Basic size of mm

d	8
D	19
B	6

The basic rated load is kN

trends C	1.59
static state Co	0.71

Fatigue load limit Pu	0.031

Rated rotation speed is r/min

Refer to the speed	80000
limit speed	50000

Mass kg	0.0071
model	W619/8

Dimensions are mm

d	8
d1 ～	10.5
D1 ～	15.5
r1,2 min	0.3

Shoulder gear and chamfer size mm

da min	10
Da max	17
ra max	0.3

Calculation coefficient

kr	0.02
fo	8.8