Basic size of mm

d	40
D	90
B	23

The basic rated load is kN

trends C	42.3
static state Co	24

Fatigue load limit Pu	1.02

Rated rotation speed is r/min

Refer to the speed	17000
Limit speed 1)	11000

Mass kg	0.63

model

Bearing belt stop slot	*6308N
Stop slot and stop ring	*6308NR
snap ring	SP90

Dimensions are mm

d	40
d1 ～	56.1
D1 ～	73.8
D3	86.79
D4	96.5
b	2.7
f	2.46
C	3.28
r1,2 min	1.5
r0 max	0.6

Shoulder gear and chamfer size mm

da min	49
Da max	81
db min	98
Ba min	3
Ca max	5.74
ra max	1.5

Calculation coefficient

kr	0.03
fo	13