Bearing Numbers
Single row :7210C
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 :43000
Cor :31500
Basic load ratings(kgf)
Cr :4350
Cor :3250
Value
fo :14.5
Limiting Speed (rpm)
Grease :12000
Oil :16000
Distance of action point(mm)
a :19.4
Abutment and fillet dimensions
da(min) :57
Da(max) :83
ra(max) :1
Weight
(kg) :0.528
Basic load ratings(duplex bearing) (N)
Cr :69500
Cor :63500
Basic load ratings(duplex bearing) (kgf)
Cr :7100
Cor :6450
Limiting Speed(duplex bearing) (rpm)
Grease :9500
Oil :13000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :38.7
face-to-face arrangement :1.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :85
rb(max) :0.6
