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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7305A
DB :7305DB
DF :7305DF
DT :7305DT
Principal dimensions(mm)
d :25
D :62
B :17
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :26400
Cor :15800
Basic load ratings(kgf)
Cr :2690
Cor :1610
Value
fo :13.5
Limiting Speed (rpm)
Grease :10000
Oil :14000
Distance of action point(mm)
a :21.1
Abutment and fillet dimensions
da(min) :32
Da(max) :55
ra(max) :1
Weight
(kg) :0.235
Basic load ratings(duplex bearing) (N)
Cr :43000
Cor :31500
Basic load ratings(duplex bearing) (kgf)
Cr :4400
Cor :3250
Limiting Speed(duplex bearing) (rpm)
Grease :8500
Oil :11000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :42.1
face-to-face arrangement :8.1
Installation dimensions(duplex bearing)
db(min) :30
Db(max) :57
rb(max) :0.6