Basic size of mm

d	45
D	85
B	19

The basic rated load is kN

trends C	35.1
static state Co	21.6

Fatigue load limit Pu	0.915

Rated rotation speed is r/min

Refer to the speed	17000
Limit speed 1)	11000

Mass kg	0.41

model

Bearing belt stop slot	*6209-ZNR
Stop slot and stop ring	*6209-2ZNR
snap ring	SP85

Dimensions are mm

d	45
d1 ～	57.6
D1 ～	75.2
D3	81.81
D4	91.6
b	1.9
f	1.7
C	3.28
r1,2 min	1.1
r0 max	0.6

Shoulder gear and chamfer size mm

da min	52
Da max	78
db min	93
Ba min	2.2
Ca max	4.98
ra max	1

Calculation coefficient

kr	0.025
fo	14