Basic size of mm

d	45
D	85
B	23

The basic rated load is kN

trends C	33.2
static state Co	21.6

Fatigue load limit Pu	0.915

Rated rotation speed is r/min

Refer to the speed	-
Limit speed 1)	5000

Mass kg	0.48

model

Both sides are sealed	62209-2RS1
One side is sealed	-

Dimensions are mm

d	45
d1 ～	57.6
d2 ～	-
D2 ～	75.2
r1,2 min	1.1

Shoulder gear and chamfer size mm

da min	52
Da max	-
Da max	78
ra max	1

Calculation coefficient

kr	0.025
fo	14