Basic size of mm

d	45
D	120
B	29

The basic rated load is kN

trends C	76.1
static state Co	45

Fatigue load limit Pu	1.9

Rated rotation speed is r/min

Refer to the speed	13000
Limit speed 1)	8500

Mass kg	1.55

model

Bearing belt stop slot	6409N
Stop slot and stop ring	6409NR
snap ring	SP120

Dimensions are mm

d	45
d1 ～	68.9
D1 ～	95.8
D3	115.21
D4	129.7
b	3.1
f	2.82
C	4.06
r1,2 min	2
r0 max	0.6

Shoulder gear and chamfer size mm

da min	58
Da max	107
db min	131
Ba min	3.5
Ca max	6.88
ra max	2

Calculation coefficient

kr	0.035
fo	12