Bearing Numbers
Single row :7312B
DB :7312DB
DF :7312DF
DT :7312DT
Principal dimensions(mm)
d :60
D :130
B :31
r(min) :2.1
r1(min) :1.1
Basic load ratings(N)
Cr :90000
Cor :65500
Basic load ratings(kgf)
Cr :9200
Cor :6700
Value
fo :14.4
Limiting Speed (rpm)
Grease :4300
Oil :5600
Distance of action point(mm)
a :55.4
Abutment and fillet dimensions
da(min) :72
Da(max) :118
ra(max) :2
Weight
(kg) :1.78
Basic load ratings(duplex bearing) (N)
Cr :146000
Cor :131000
Basic load ratings(duplex bearing) (kgf)
Cr :14900
Cor :13400
Limiting Speed(duplex bearing) (rpm)
Grease :3400
Oil :4500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :110.7
face-to-face arrangement :48.7
Installation dimensions(duplex bearing)
db(min) :67
Db(max) :123
rb(max) :1
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