Bearing Numbers
Single row :7238B
DB :7238DB
DF :7238DF
DT :7238DT
Principal dimensions(mm)
d :190
D :340
B :55
r(min) :4
r1(min) :1.5
Basic load ratings(N)
Cr :284000
Cor :375000
Basic load ratings(kgf)
Cr :28900
Cor :38000
Value
fo :15.9
Limiting Speed (rpm)
Grease :1400
Oil :2000
Distance of action point(mm)
a :138.7
Abutment and fillet dimensions
da(min) :208
Da(max) :322
ra(max) :3
Weight
(kg) :22.5
Basic load ratings(duplex bearing) (N)
Cr :460000
Cor :750000
Basic load ratings(duplex bearing) (kgf)
Cr :47000
Cor :76000
Limiting Speed(duplex bearing) (rpm)
Grease :1100
Oil :1600
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :277.3
face-to-face arrangement :167.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :331
rb(max) :1.5
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