Basic size of mm

d1	50
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

Mass bearing + tightening sleeve	2.85

model

bearing	*22311EK
tapered adapter-sleeve	H2311

Dimensions are mm

d1	50
d2 ～	70.1
d3	75
D1 ～	102
B1	59
B2	12.5
b	5.5
k	3
r1,2 min	2

Shoulder gear and chamfer size mm

da max	70
db min	61
Da max	109
Ba min	6
ra max	2

Calculation coefficient

e	0.35
Y1	1.9
Y2	2.9
Yo	1.8