Basic size of mm

d	45
D	85
B	19

The basic rated load is kN

trends C	58.5
static state Co	51

Fatigue load limit Pu	2.16

Rated rotation speed is r/min

Refer to the speed	8500
limit speed	14000

Mass kg	0.52

model

Bearing belt positioning groove	-
No positioning slot	QJ209MA

Dimensions are mm

d	45
d1 ～	58.5
D1 ～	72
r1,2 min	1.1
a	46

Positioning of the slot size mm

b	-
h	-
ro	-

Shoulder gear and chamfer size mm

da min	52
Da max	78
ra max	1