Basic size of mm

d	4
D	12
B	4

The basic rated load is kN

trends C	0.81
static state Co	0.28

Fatigue load limit Pu	0.012

Rated rotation speed is r/min

Refer to the speed	120000
Limit speed 1)	60000

Mass kg	0.0021

model

Both sides are sealed	604-2Z
One side is sealed	604-Z

Dimensions are mm

d	4
d1 ～	6.1
d2 ～	-
D2 ～	9.8
r1,2 min	0.2

Shoulder gear and chamfer size mm

da min	5.4
Da max	-
Da max	10.6
ra max	0.2

Calculation coefficient

kr	0.025
fo	10