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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7301B
DB :7301DB
DF :7301DF
DT :7301DT
Principal dimensions(mm)
d :12
D :37
B :12
r(min) :1
r1(min) :0.6
Basic load ratings(N)
Cr :8850
Cor :4200
Basic load ratings(kgf)
Cr :900
Cor :425
Value
fo :13.4
Limiting Speed (rpm)
Grease :16000
Oil :22000
Distance of action point(mm)
a :16.3
Abutment and fillet dimensions
da(min) :18
Da(max) :31
ra(max) :1
Weight
(kg) :0.061
Basic load ratings(duplex bearing) (N)
Cr :14400
Cor :8400
Basic load ratings(duplex bearing) (kgf)
Cr :1460
Cor :855
Limiting Speed(duplex bearing) (rpm)
Grease :13000
Oil :18000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :32.6
face-to-face arrangement :8.6
Installation dimensions(duplex bearing)
db(min) :17
Db(max) :32
rb(max) :0.6