Basic size of mm

d	55
D	120
B	43

The basic rated load is kN

trends C	270
static state Co	280

Fatigue load limit Pu	30

Rated rotation speed is r/min

Refer to the speed	4300
limit speed	5600

quality	2.45

model

Column hole	*22311E/VA405
conical bore	*22311EK/VA405

Dimensions are mm

d	55
d2 ～	70.1
D1 ～	102
b	5.5
k	3
r1,2 min	2

Shoulder gear and chamfer size mm

da min	66
Da max	109
ra max	2

Calculation coefficient

e	0.35
Y1	1.9
Y2	2.9
Y0	1.8

Allowable acceleration 1) Only for oil-lubricated bearings

turn	78g
straight line	26g