Basic size of mm

d1	55
D	130
B	46

The basic rated load is kN

trends C	310
static state Co	335

Fatigue load limit Pu	36.5

Rated rotation speed is r/min

Refer to the speed	4000
limit speed	5300

Mass bearing + tightening sleeve	3.5

model

bearing	*22312EK
tapered adapter-sleeve	H2312

Dimensions are mm

d1	55
d2 ～	77.9
d3	80
D1 ～	110
B1	62
B2	13
b	8.3
k	4.5
r1,2 min	2.1

Shoulder gear and chamfer size mm

da max	77
db min	66
Da max	118
Ba min	6
ra max	2

Calculation coefficient

e	0.35
Y1	1.9
Y2	2.9
Yo	1.8