Basic size of mm

d	80
D	160
B	30

The basic rated load is kN

trends C	57.2
static state Co	23.6

Fatigue load limit Pu	1.08

Rated rotation speed is r/min

Refer to the speed	8500
limit speed	5300

Mass bearing + tightening sleeve	3.5

model

bearing	1218K
tapered adapter-sleeve	H218

Dimensions are mm

d1	80
d3	120
D1 ～	142
B1	52
B2	18
r1,2 min	2

Shoulder gear and chamfer size mm

Da max	112
db min	95
Da max	149
Ba min	8
ra max	2

Calculation coefficient

e	0.17
Y1	3.7
Y2	5.7
Y0	4