Basic size of mm

d	25
D	62
T	18.25

The basic rated load is kN

trends C	38
static state Co	40

Fatigue load limit Pu	4.4

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	11000

quality	0.26
model	31305J2
ISO335 dimension series (ABMA)	7FB

Dimensions are mm

d	25
d1 ～	45.8
B	17
C	13
r1,2 min	1.5
r3,4 min	1.5
a	20

Shoulder gear and chamfer size mm

Da max	34
db min	32
Da min	47
Da max	55
Db min	59
Ca min	3
Cb min	5
ra max	1.5
rb max	1.5

Calculation coefficient

e	0.83
Y	0.72
Yo	0.4