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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7340B
DB :7340DB
DF :7340DF
DT :7340DT
Principal dimensions(mm)
d :200
D :420
B :80
r(min) :5
r1(min) :2
Basic load ratings(N)
Cr :430000
Cor :600000
Basic load ratings(kgf)
Cr :44000
Cor :61500
Value
fo :15
Limiting Speed (rpm)
Grease :1200
Oil :1600
Distance of action point(mm)
a :170.1
Abutment and fillet dimensions
da(min) :222
Da(max) :398
ra(max) :4
Weight
(kg) :55.3
Basic load ratings(duplex bearing) (N)
Cr :700000
Cor :1200000
Basic load ratings(duplex bearing) (kgf)
Cr :71500
Cor :123000
Limiting Speed(duplex bearing) (rpm)
Grease :950
Oil :1300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :340.1
face-to-face arrangement :180.1
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :410
rb(max) :2