Basic size of mm

d	30
D	72
B	19

The basic rated load is kN

trends C	49.4
static state Co	38

Fatigue load limit Pu	1.63

Rated rotation speed is r/min

Refer to the speed	10000
limit speed	17000

Mass kg	0.42

model

Bearing belt positioning groove	QJ306N2MA
No positioning slot	QJ306MA

Dimensions are mm

d	30
d1 ～	45.8
D1 ～	58.2
r1,2 min	1.1
a	36

Positioning of the slot size mm

b	4.5
h	3.5
ro	0.5

Shoulder gear and chamfer size mm

da min	37
Da max	65
ra max	1