Bearing Numbers
Single row :7208B
DB :7208DB
DF :7208DF
DT :7208DT
Principal dimensions(mm)
d :40
D :80
B :18
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :32000
Cor :23000
Basic load ratings(kgf)
Cr :3250
Cor :2340
Value
fo :15.1
Limiting Speed (rpm)
Grease :6700
Oil :9000
Distance of action point(mm)
a :34.2
Abutment and fillet dimensions
da(min) :47
Da(max) :73
ra(max) :1
Weight
(kg) :0.383
Basic load ratings(duplex bearing) (N)
Cr :52000
Cor :46000
Basic load ratings(duplex bearing) (kgf)
Cr :5300
Cor :4700
Limiting Speed(duplex bearing) (rpm)
Grease :5300
Oil :7500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :68.3
face-to-face arrangement :32.3
Installation dimensions(duplex bearing)
db(min) :45
Db(max) :75
rb(max) :0.6
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