Basic size of mm

d	36.487
D	73.025
T	23.812

The basic rated load is kN

trends C	83
static state Co	88

Fatigue load limit Pu	9.8

Rated rotation speed is r/min

Refer to the speed	8000
limit speed	10000

quality	0.45
model	*25880/25820/Q
series	25800

Dimensions are mm

d	36.487
d1 ～	52.5
B	24.608
C	19.05
r1,2 min	1.5
r3,4 min	2.3
a	15

Shoulder gear and chamfer size mm

Da max	44
db min	43.5
Da min	62
Da max	66.5
Db min	67
Ca min	5
Cb min	4.5
ra max	1.5
rb max	2

Calculation coefficient

e	0.3
Y	2
Yo	1.1