Bearing Numbers
Single row :7222A
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 :170000
Cor :158000
Basic load ratings(kgf)
Cr :17300
Cor :16100
Value
fo :15.2
Limiting Speed (rpm)
Grease :3600
Oil :4800
Distance of action point(mm)
a :63.7
Abutment and fillet dimensions
da(min) :122
Da(max) :188
ra(max) :2
Weight
(kg) :4.49
Basic load ratings(duplex bearing) (N)
Cr :276000
Cor :315000
Basic load ratings(duplex bearing) (kgf)
Cr :28100
Cor :32500
Limiting Speed(duplex bearing) (rpm)
Grease :2800
Oil :4000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :127.5
face-to-face arrangement :51.6
Installation dimensions(duplex bearing)
db(min) :117
Db(max) :193
rb(max) :1
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