Basic size of mm

d	45
D	100
B	25

The basic rated load is kN

trends C	93.6
static state Co	76.5

Fatigue load limit Pu	3.25

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	12000

Mass kg	1.05

model

Bearing belt positioning groove	QJ309N2MA
No positioning slot	QJ309MA

Dimensions are mm

d	45
d1 ～	63.8
D1 ～	81.2
r1,2 min	1.5
a	51

Positioning of the slot size mm

b	6.5
h	5
ro	0.5

Shoulder gear and chamfer size mm

da min	54
Da max	91
ra max	1.5