Basic size of mm

d	25
D	52
B	18

The basic rated load is kN

trends C	16.8
static state Co	4.4

Fatigue load limit Pu	0.23

Rated rotation speed is r/min

Refer to the speed	26000
limit speed	18000

Mass kg	0.16

model

Column hole	2205ETN9
conical bore	2205EKTN9

Dimensions are mm

d	25
d2 ～	32.3
D1 ～	46.1
r1,2 min	1

Shoulder gear and chamfer size mm

da min	30.6
Da max	46.4
ra max	1

Calculation coefficient

e	0.35
Y1	1.8
Y2	2.8
Y0	1.8