Bearing Numbers
Single row :7218B
DB :7218DB
DF :7218DF
DT :7218DT
Principal dimensions(mm)
d :90
D :160
B :30
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :107000
Cor :94000
Basic load ratings(kgf)
Cr :10900
Cor :9550
Value
fo :15.5
Limiting Speed (rpm)
Grease :3200
Oil :4300
Distance of action point(mm)
a :67.4
Abutment and fillet dimensions
da(min) :100
Da(max) :150
ra(max) :2
Weight
(kg) :2.29
Basic load ratings(duplex bearing) (N)
Cr :173000
Cor :188000
Basic load ratings(duplex bearing) (kgf)
Cr :17700
Cor :19100
Limiting Speed(duplex bearing) (rpm)
Grease :2600
Oil :3400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :134.9
face-to-face arrangement :74.9
Installation dimensions(duplex bearing)
db(min) :96
Db(max) :154
rb(max) :1
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