Bearing Numbers
Single row :7304A
DB :7304DB
DF :7304DF
DT :7304DT
Principal dimensions(mm)
d :20
D :52
B :15
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :18700
Cor :10400
Basic load ratings(kgf)
Cr :1910
Cor :1060
Value
fo :13.2
Limiting Speed (rpm)
Grease :13000
Oil :17000
Distance of action point(mm)
a :17.9
Abutment and fillet dimensions
da(min) :27
Da(max) :45
ra(max) :1
Weight
(kg) :0.146
Basic load ratings(duplex bearing) (N)
Cr :30500
Cor :20800
Basic load ratings(duplex bearing) (kgf)
Cr :3100
Cor :2130
Limiting Speed(duplex bearing) (rpm)
Grease :10000
Oil :13000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :35.8
face-to-face arrangement :5.8
Installation dimensions(duplex bearing)
db(min) :25
Db(max) :47
rb(max) :0.6
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