Basic size of mm

d	12
D	37
B	17

The basic rated load is kN

trends C	9.75
static state Co	4.15

Fatigue load limit Pu	0.176

Rated rotation speed is r/min

Refer to the speed	-
Limit speed 1)	14000

Mass kg	0.07

model

Both sides are sealed	62301-2RS1
One side is sealed	-

Dimensions are mm

d	12
d1 ～	19.5
d2 ～	-
D2 ～	31.5
r1,2 min	1

Shoulder gear and chamfer size mm

da min	17.6
Da max	-
Da max	31.4
ra max	1

Calculation coefficient

kr	0.03
fo	11