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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7300B
DB :7300DB
DF :7300DF
DT :7300DT
Principal dimensions(mm)
d :10
D :35
B :11
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :8750
Cor :4050
Basic load ratings(kgf)
Cr :890
Cor :410
Value
fo :12.9
Limiting Speed (rpm)
Grease :18000
Oil :24000
Distance of action point(mm)
a :14.9
Abutment and fillet dimensions
da(min) :15
Da(max) :30
ra(max) :0.6
Weight
(kg) :0.054
Basic load ratings(duplex bearing) (N)
Cr :14200
Cor :8100
Basic load ratings(duplex bearing) (kgf)
Cr :1450
Cor :825
Limiting Speed(duplex bearing) (rpm)
Grease :14000
Oil :20000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :29.9
face-to-face arrangement :7.9
Installation dimensions(duplex bearing)
db(min) :12.5
Db(max) :32.5
rb(max) :0.3