Basic size of mm

d	28.575
D	73.025
T	22.225

The basic rated load is kN

trends C	99
static state Co	140

Fatigue load limit Pu	15

Rated rotation speed is r/min

Refer to the speed	7000
limit speed	10000

quality	1.05
model	02872/02820/Q
series	02800

Dimensions are mm

d	28.575
d1 ～	54.2
B	22.225
C	17.462
r1,2 min	0.8
r3,4 min	3.3
a	26

Shoulder gear and chamfer size mm

Da max	44
db min	33.5
Da min	60
Da max	61.5
Db min	67
Ca min	3
Cb min	4.5
ra max	0.8
rb max	3

Calculation coefficient

e	0.46
Y	1.3
Yo	0.7