Bearing Numbers
Single row :7021A
DB :7021DB
DF :7021DF
DT :7021DT
Principal dimensions(mm)
d :105
D :160
B :26
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :80000
Cor :81500
Basic load ratings(kgf)
Cr :8150
Cor :8350
Value
fo :16.1
Limiting Speed (rpm)
Grease :4300
Oil :5600
Distance of action point(mm)
a :51.2
Abutment and fillet dimensions
da(min) :115
Da(max) :150
ra(max) :2
Weight
(kg) :1.84
Basic load ratings(duplex bearing) (N)
Cr :130000
Cor :163000
Basic load ratings(duplex bearing) (kgf)
Cr :13300
Cor :16700
Limiting Speed(duplex bearing) (rpm)
Grease :3400
Oil :4500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :102.5
face-to-face arrangement :50.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :154
rb(max) :1
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