Basic size of mm

d	40
D	110
B	27

The basic rated load is kN

trends C	63.7
static state Co	36.5

Fatigue load limit Pu	1.53

Rated rotation speed is r/min

Refer to the speed	14000
Limit speed 1)	9000

Mass kg	1.25

model

Bearing belt stop slot	6408N
Stop slot and stop ring	6408NR
snap ring	SP110

Dimensions are mm

d	40
d1 ～	62.8
D1 ～	87
D3	106.81
D4	116.6
b	2.7
f	2.46
C	3.28
r1,2 min	2
r0 max	0.6

Shoulder gear and chamfer size mm

da min	53
Da max	97
db min	118
Ba min	3
Ca max	5.74
ra max	2

Calculation coefficient

kr	0.035
fo	12