Basic size of mm

d	40
D	80
B	18

The basic rated load is kN

trends C	32.5
static state Co	19

Fatigue load limit Pu	0.8

Rated rotation speed is r/min

Refer to the speed	18000
Limit speed 1)	11000

Mass kg	0.37

model

Bearing belt stop slot	*6208N
Stop slot and stop ring	*6208NR
snap ring	SP80

Dimensions are mm

d	40
d1 ～	52.6
D1 ～	67.4
D3	76.81
D4	86.6
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	47
Da max	73
db min	88
Ba min	2.2
Ca max	4.98
ra max	1

Calculation coefficient

kr	0.025
fo	14