Basic size of mm

d	7
D	22
B	7

The basic rated load is kN

trends C	3.45
static state Co	1.37

Fatigue load limit Pu	0.057

Rated rotation speed is r/min

Refer to the speed	70000
Limit speed 1)	36000

Mass kg	0.013

model

Both sides are sealed	*627-2Z
One side is sealed	*627-Z

Dimensions are mm

d	7
d1 ～	12.2
d2 ～	-
D2 ～	19.2
r1,2 min	0.3

Shoulder gear and chamfer size mm

da min	9.4
Da max	-
Da max	19.6
ra max	0.3

Calculation coefficient

kr	0.025
fo	12