Basic size of mm

d	76.2
D	127
T	30.162

The basic rated load is kN

trends C	138
static state Co	204

Fatigue load limit Pu	24

Rated rotation speed is r/min

Refer to the speed	3800
limit speed	5300

quality	1.9
model	42687/42620
series	42600

Dimensions are mm

d	76.2
d1 ～	101
B	31
C	22.225
r1,2 min	3.5
r3,4 min	3.3
a	27

Shoulder gear and chamfer size mm

Da max	88
db min	89.5
Da min	112
Da max	114
Db min	120
Ca min	5
Cb min	7.5
ra max	3
rb max	3

Calculation coefficient

e	0.43
Y	1.4
Yo	0.8