Basic size of mm

d	60
D	130
B	31

The basic rated load is kN

trends C	146
static state Co	125

Fatigue load limit Pu	5.3

Rated rotation speed is r/min

Refer to the speed	5600
limit speed	9000

Mass kg	2.15

model

Bearing belt positioning groove	QJ312N2MA
No positioning slot	QJ312MA

Dimensions are mm

d	60
d1 ～	84
D1 ～	106
r1,2 min	2.1
a	67

Positioning of the slot size mm

b	6.5
h	8.1
ro	0.5

Shoulder gear and chamfer size mm

da min	72
Da max	118
ra max	2