Basic size of mm

d	40
D	80
B	18

The basic rated load is kN

trends C	52.7
static state Co	45

Fatigue load limit Pu	1.9

Rated rotation speed is r/min

Refer to the speed	9000
limit speed	15000

Mass kg	0.45

model

Bearing belt positioning groove	QJ208N2MA
No positioning slot	QJ208MA

Dimensions are mm

d	40
d1 ～	54
D1 ～	66
r1,2 min	1.1
a	42

Positioning of the slot size mm

b	5.5
h	4
ro	0.5

Shoulder gear and chamfer size mm

da min	47
Da max	73
ra max	1