Basic size of mm

d1	55
D	110
B	28

The basic rated load is kN

trends C	156
static state Co	166

Fatigue load limit Pu	18.6

Rated rotation speed is r/min

Refer to the speed	5600
limit speed	7500

Mass bearing + tightening sleeve	1.45

model

bearing	*22212EK
tapered adapter-sleeve	H312

Dimensions are mm

d1	55
d2 ～	71.6
d3	80
D1 ～	96.5
B1	47
B2	13
b	5.5
k	3
r1,2 min	1.5

Shoulder gear and chamfer size mm

da max	71
db min	65
Da max	101
Ba min	9
ra max	1.5

Calculation coefficient

e	0.24
Y1	2.8
Y2	4.2
Yo	2.8