Bearing Numbers
Single row :7210B
DB :7210DB
DF :7210DF
DT :7210DT
Principal dimensions(mm)
д :50
Д :90
Б :20
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Кр :37500
Кор :28600
Basic load ratings(kgf)
Кр :3800
Кор :2920
Value
fo :15.4
Limiting Speed (rpm)
Смазка :5600
Масло :8000
Distance of action point(mm)
a :39.4
Abutment and fillet dimensions
da(min) :57
Da(max) :83
ra(max) :1
Масса
(kg) :0.477
Basic load ratings(duplex bearing) (N)
Кр :60500
Кор :57000
Basic load ratings(duplex bearing) (kgf)
Кр :6200
Кор :5850
Limiting Speed(duplex bearing) (rpm)
Смазка :4500
Масло :6300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :78.7
face-to-face arrangement :38.7
Installation dimensions(duplex bearing)
db(min) :55
Db(max) :85
rb(max) :0.6
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