Basic size of mm

d	40
D	90
T	25.25

The basic rated load is kN

trends C	100
static state Co	95

Fatigue load limit Pu	10.8

Rated rotation speed is r/min

Refer to the speed	6300
limit speed	8000

quality	0.72
model	*30308J2/Q
ISO335 dimension series (ABMA)	2FB

Dimensions are mm

d	40
d1 ～	62.5
B	23
C	20
r1,2 min	2
r3,4 min	1.5
a	19

Shoulder gear and chamfer size mm

Da max	53
db min	49
Da min	77
Da max	81
Db min	82
Ca min	3
Cb min	5
ra max	2
rb max	1.5

Calculation coefficient

e	0.35
Y	1.7
Yo	0.9