Basic size of mm

d	55
D	120
B	29

The basic rated load is kN

trends C	50.7
static state Co	18

Fatigue load limit Pu	0.92

Rated rotation speed is r/min

Refer to the speed	11000
limit speed	7500

Mass kg	1.6

model

Column hole	1311ETN9
conical bore	1311EKTN9

Dimensions are mm

d	55
d2 ～	77.7
D1 ～	104
r1,2 min	2

Shoulder gear and chamfer size mm

da min	66
Da max	109
ra max	2

Calculation coefficient

e	0.23
Y1	2.7
Y2	4.2
Y0	2.8