Bearing Numbers
Single row :7218C
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 :123000
Cor :105000
Basic load ratings(kgf)
Cr :12500
Cor :10700
Value
fo :14.6
Limiting Speed (rpm)
Grease :6300
Oil :9000
Distance of action point(mm)
a :31.7
Abutment and fillet dimensions
da(min) :100
Da(max) :150
ra(max) :2
Weight
(kg) :2.51
Basic load ratings(duplex bearing) (N)
Cr :199000
Cor :209000
Basic load ratings(duplex bearing) (kgf)
Cr :20300
Cor :21400
Limiting Speed(duplex bearing) (rpm)
Grease :5300
Oil :7100
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :63.5
face-to-face arrangement :3.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :154
rb(max) :1
