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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7318A
DB :7318DB
DF :7318DF
DT :7318DT
Principal dimensions(mm)
d :90
D :190
B :43
r(min) :3
r1(min) :1.1
Basic load ratings(N)
Cr :171000
Cor :147000
Basic load ratings(kgf)
Cr :17400
Cor :15000
Value
fo :14.1
Limiting Speed (rpm)
Grease :3200
Oil :4300
Distance of action point(mm)
a :61.9
Abutment and fillet dimensions
da(min) :104
Da(max) :176
ra(max) :2.5
Weight
(kg) :5.06
Basic load ratings(duplex bearing) (N)
Cr :277000
Cor :294000
Basic load ratings(duplex bearing) (kgf)
Cr :28300
Cor :30000
Limiting Speed(duplex bearing) (rpm)
Grease :2600
Oil :3400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :123.8
face-to-face arrangement :37.8
Installation dimensions(duplex bearing)
db(min) :97
Db(max) :183
rb(max) :1