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25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7307B
DB :7307DB
DF :7307DF
DT :7307DT
Principal dimensions(mm)
d :35
D :80
B :21
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :36500
Cor :24200
Basic load ratings(kgf)
Cr :3750
Cor :2460
Value
fo :14.7
Limiting Speed (rpm)
Grease :7100
Oil :9500
Distance of action point(mm)
a :34.6
Abutment and fillet dimensions
da(min) :44
Da(max) :71
ra(max) :1.5
Weight
(kg) :0.474
Basic load ratings(duplex bearing) (N)
Cr :59500
Cor :48500
Basic load ratings(duplex bearing) (kgf)
Cr :6100
Cor :4950
Limiting Speed(duplex bearing) (rpm)
Grease :5600
Oil :7500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :69.2
face-to-face arrangement :27.2
Installation dimensions(duplex bearing)
db(min) :41
Db(max) :74
rb(max) :1