Basic size of mm

d	90
D	190
T	103

The basic rated load is kN

trends C	457
static state Co	630

Fatigue load limit Pu	73.5

Rated rotation speed is r/min

Refer to the speed	1900
limit speed	3400

quality	12.5
model	31318T103J2/DB31

Dimensions are mm

d	90
d1 ～	138
C	70
r1,2 min	4
r5 min	1
a	124
Cb min	105

Shoulder gear and chamfer size mm

db max	179
Db min	16.5
ra max	3
rc max	1

Calculation coefficient

e	0.83
Y1	0.81
Y2	1.2
Yo	0.8