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25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7309A
DB :7309DB
DF :7309DF
DT :7309DT
Principal dimensions(mm)
d :45
D :100
B :25
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :63500
Cor :43500
Basic load ratings(kgf)
Cr :6450
Cor :4450
Value
fo :13.7
Limiting Speed (rpm)
Grease :6300
Oil :8500
Distance of action point(mm)
a :33.4
Abutment and fillet dimensions
da(min) :54
Da(max) :91
ra(max) :1.5
Weight
(kg) :0.848
Basic load ratings(duplex bearing) (N)
Cr :103000
Cor :87000
Basic load ratings(duplex bearing) (kgf)
Cr :10500
Cor :8900
Limiting Speed(duplex bearing) (rpm)
Grease :5000
Oil :6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :66.9
face-to-face arrangement :16.9
Installation dimensions(duplex bearing)
db(min) :51
Db(max) :94
rb(max) :1