Bearing Numbers
Single row :7222B
DB :7222DB
DF :7222DF
DT :7222DT
Principal dimensions(mm)
d :110
D :200
B :38
r(min) :2.1
r1(min) :1.1
Basic load ratings(N)
Cr :154000
Cor :144000
Basic load ratings(kgf)
Cr :15700
Cor :14700
Value
fo :15.4
Limiting Speed (rpm)
Grease :2600
Oil :3400
Distance of action point(mm)
a :84
Abutment and fillet dimensions
da(min) :122
Da(max) :188
ra(max) :2
Weight
(kg) :4.58
Basic load ratings(duplex bearing) (N)
Cr :250000
Cor :289000
Basic load ratings(duplex bearing) (kgf)
Cr :25500
Cor :29400
Limiting Speed(duplex bearing) (rpm)
Grease :2000
Oil :2800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :168.1
face-to-face arrangement :92.1
Installation dimensions(duplex bearing)
db(min) :117
Db(max) :193
rb(max) :1
