Basic size of mm

d	90
D	180
B	34

The basic rated load is kN

trends C	68.9
static state Co	30

Fatigue load limit Pu	1.29

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	4800

Mass bearing + tightening sleeve	5

model

bearing	1220K
tapered adapter-sleeve	H220

Dimensions are mm

d1	90
d3	130
D1 ～	159
B1	58
B2	20
r1,2 min	2.1

Shoulder gear and chamfer size mm

Da max	127
db min	106
Da max	168
Ba min	8
ra max	2

Calculation coefficient

e	0.17
Y1	3.7
Y2	5.7
Y0	4