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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7315B
DB :7315DB
DF :7315DF
DT :7315DT
Principal dimensions(mm)
d :75
D :160
B :37
r(min) :2.1
r1(min) :1.1
Basic load ratings(N)
Cr :125000
Cor :97500
Basic load ratings(kgf)
Cr :12700
Cor :9900
Value
fo :14.5
Limiting Speed (rpm)
Grease :3400
Oil :4800
Distance of action point(mm)
a :67.8
Abutment and fillet dimensions
da(min) :87
Da(max) :148
ra(max) :2
Weight
(kg) :3.19
Basic load ratings(duplex bearing) (N)
Cr :202000
Cor :195000
Basic load ratings(duplex bearing) (kgf)
Cr :20600
Cor :19800
Limiting Speed(duplex bearing) (rpm)
Grease :2800
Oil :3800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :135.6
face-to-face arrangement :61.6
Installation dimensions(duplex bearing)
db(min) :82
Db(max) :153
rb(max) :1