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d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7315A
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 :136000
Cor :106000
Basic load ratings(kgf)
Cr :13800
Cor :10800
Value
fo :14
Limiting Speed (rpm)
Grease :3800
Oil :5000
Distance of action point(mm)
a :52.4
Abutment and fillet dimensions
da(min) :87
Da(max) :148
ra(max) :2
Weight
(kg) :3.13
Basic load ratings(duplex bearing) (N)
Cr :221000
Cor :212000
Basic load ratings(duplex bearing) (kgf)
Cr :22500
Cor :21600
Limiting Speed(duplex bearing) (rpm)
Grease :3000
Oil :4000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :104.8
face-to-face arrangement :30.8
Installation dimensions(duplex bearing)
db(min) :82
Db(max) :153
rb(max) :1