Bearing Numbers
Single row :7308B
DB :7308DB
DF :7308DF
DT :7308DT
Principal dimensions(mm)
d :40
D :90
B :23
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :45000
Cor :30500
Basic load ratings(kgf)
Cr :4550
Cor :3100
Value
fo :14.5
Limiting Speed (rpm)
Grease :6300
Oil :8500
Distance of action point(mm)
a :38.8
Abutment and fillet dimensions
da(min) :49
Da(max) :81
ra(max) :1.5
Weight
(kg) :0.648
Basic load ratings(duplex bearing) (N)
Cr :73000
Cor :60500
Basic load ratings(duplex bearing) (kgf)
Cr :7400
Cor :6200
Limiting Speed(duplex bearing) (rpm)
Grease :5000
Oil :6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :77.5
face-to-face arrangement :31.5
Installation dimensions(duplex bearing)
db(min) :46
Db(max) :84
rb(max) :1
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