Basic size of mm

d	3
D	10
B	4

The basic rated load is kN

trends C	0.54
static state Co	0.18

Fatigue load limit Pu	0.007

Rated rotation speed is r/min

Refer to the speed	-
Limit speed 1)	40000

Mass kg	0.0015

model

Both sides are sealed	623-2RS1
One side is sealed	623-RS1

Dimensions are mm

d	3
d1 ～	5.2
d2 ～	-
D2 ～	8.2
r1,2 min	0.15

Shoulder gear and chamfer size mm

da min	4.2
Da max	-
Da max	8.8
ra max	0.1

Calculation coefficient

kr	0.025
fo	7.5