Basic size of mm

d	55
D	100
B	25

The basic rated load is kN

trends C	39
static state Co	13.4

Fatigue load limit Pu	0.7

Rated rotation speed is r/min

Refer to the speed	12000
limit speed	8500

Mass kg	0.81

model

Column hole	2211ETN9
conical bore	2211EKTN9

Dimensions are mm

d	55
d2 ～	67.7
D1 ～	89.5
r1,2 min	1.5

Shoulder gear and chamfer size mm

da min	64
Da max	91
ra max	1.5

Calculation coefficient

e	0.23
Y1	2.7
Y2	4.2
Y0	2.8