Basic size of mm

d	25
D	52
B	15

The basic rated load is kN

trends C	14.3
static state Co	4

Fatigue load limit Pu	0.21

Rated rotation speed is r/min

Refer to the speed	28000
limit speed	18000

Mass kg	0.14

model

Column hole	1205ETN9
conical bore	1205EKTN9

Dimensions are mm

d	25
d2 ～	33.3
D1 ～	45.6
r1,2 min	1

Shoulder gear and chamfer size mm

da min	30.6
Da max	46.4
ra max	1

Calculation coefficient

e	0.28
Y1	2.2
Y2	3.5
Y0	2.5