Bearing Numbers
Single row :7210B
DB :7210DB
DF :7210DF
DT :7210DT
Principal dimensions(mm)
d :50
D :90
B :20
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :37500
Cor :28600
Basic load ratings(kgf)
Cr :3800
Cor :2920
Value
fo :15.4
Limiting Speed (rpm)
Grease :5600
Oil :8000
Distance of action point(mm)
a :39.4
Abutment and fillet dimensions
da(min) :57
Da(max) :83
ra(max) :1
Weight
(kg) :0.477
Basic load ratings(duplex bearing) (N)
Cr :60500
Cor :57000
Basic load ratings(duplex bearing) (kgf)
Cr :6200
Cor :5850
Limiting Speed(duplex bearing) (rpm)
Grease :4500
Oil :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
