Basic size of mm

d	140
D	300
T	77

The basic rated load is kN

trends C	693
static state Co	900

Fatigue load limit Pu	88

Rated rotation speed is r/min

Refer to the speed	1500
limit speed	2200

quality	24.5
model	31328XJ2
ISO335 dimension series (ABMA)	7GB

Dimensions are mm

d	140
d1 ～	219
B	70
C	47
r1,2 min	5
r3,4 min	4
a	90

Shoulder gear and chamfer size mm

Da max	169
db min	160
Da min	235
Da max	283
Db min	280
Ca min	9
Cb min	30
ra max	4
rb max	3

Calculation coefficient

e	0.83
Y	0.72
Yo	0.4