Bearing Numbers
Single row :7311B
DB :7311DB
DF :7311DF
DT :7311DT
Principal dimensions(mm)
d :55
D :120
B :29
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :79000
Cor :56500
Basic load ratings(kgf)
Cr :8050
Cor :5750
Value
fo :14.4
Limiting Speed (rpm)
Grease :4500
Oil :6300
Distance of action point(mm)
a :51.2
Abutment and fillet dimensions
da(min) :65
Da(max) :110
ra(max) :2
Weight
(kg) :1.45
Basic load ratings(duplex bearing) (N)
Cr :128000
Cor :113000
Basic load ratings(duplex bearing) (kgf)
Cr :13100
Cor :11500
Limiting Speed(duplex bearing) (rpm)
Grease :3600
Oil :5000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :102.4
face-to-face arrangement :44.4
Installation dimensions(duplex bearing)
db(min) :61
Db(max) :114
rb(max) :1
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