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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7300A
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 :9300
Cor :4300
Basic load ratings(kgf)
Cr :950
Cor :440
Value
fo :12.2
Limiting Speed (rpm)
Grease :20000
Oil :26000
Distance of action point(mm)
a :12
Abutment and fillet dimensions
da(min) :15
Da(max) :30
ra(max) :0.6
Weight
(kg) :0.053
Basic load ratings(duplex bearing) (N)
Cr :15100
Cor :8600
Basic load ratings(duplex bearing) (kgf)
Cr :1540
Cor :880
Limiting Speed(duplex bearing) (rpm)
Grease :16000
Oil :22000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :24
face-to-face arrangement :2
Installation dimensions(duplex bearing)
db(min) :12.5
Db(max) :32.5
rb(max) :0.3