Basic size of mm

d	30
D	72
T	20.75

The basic rated load is kN

trends C	64
static state Co	56

Fatigue load limit Pu	6.4

Rated rotation speed is r/min

Refer to the speed	8000
limit speed	10000

quality	0.39
model	*30306J2/Q
ISO335 dimension series (ABMA)	2FB

Dimensions are mm

d	30
d1 ～	48.4
B	19
C	16
r1,2 min	1.5
r3,4 min	1.5
a	15

Shoulder gear and chamfer size mm

Da max	41
db min	37
Da min	62
Da max	65
Db min	66
Ca min	3
Cb min	4.5
ra max	1.5
rb max	1.5

Calculation coefficient

e	0.31
Y	1.9
Yo	1.1