Basic size of mm

d	21.43
D	45.237
T	15.494

The basic rated load is kN

trends C	27.5
static state Co	31

Fatigue load limit Pu	3.2

Rated rotation speed is r/min

Refer to the speed	11000
limit speed	17000

quality	0.12
model	LM12748/710
series	LM12700

Dimensions are mm

d	21.43
d1 ～	34.3
B	16.637
C	12.065
r1,2 min	1.3
r3,4 min	1.3
a	10

Shoulder gear and chamfer size mm

Da max	28
db min	27.5
Da min	39
Da max	40
Db min	42
Ca min	3
Cb min	3
ra max	1.3
rb max	1.3

Calculation coefficient

e	0.31
Y	1.9
Yo	1.1