Bearing Numbers
Single row :7309B
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 :58500
Cor :40000
Basic load ratings(kgf)
Cr :5950
Cor :4100
Value
fo :14.3
Limiting Speed (rpm)
Grease :5600
Oil :7500
Distance of action point(mm)
a :42.9
Abutment and fillet dimensions
da(min) :54
Da(max) :91
ra(max) :1.5
Weight
(kg) :0.869
Basic load ratings(duplex bearing) (N)
Cr :95000
Cor :80500
Basic load ratings(duplex bearing) (kgf)
Cr :9650
Cor :8200
Limiting Speed(duplex bearing) (rpm)
Grease :4500
Oil :6000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :85.8
face-to-face arrangement :35.8
Installation dimensions(duplex bearing)
db(min) :51
Db(max) :94
rb(max) :1
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