Bearing Numbers
Single row :7021K
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 :88000
Cor :89600
Basic load ratings(kgf)
Cr :9000
Cor :9100
Value
fo :15.8
Limiting Speed (rpm)
Grease :6000
Oil :8500
Distance of action point(mm)
a :30.7
Abutment and fillet dimensions
da(min) :115
Da(max) :150
ra(max) :2
Weight
(kg) :1.82
Basic load ratings(duplex bearing) (N)
Cr :143000
Cor :179000
Basic load ratings(duplex bearing) (kgf)
Cr :14600
Cor :18200
Limiting Speed(duplex bearing) (rpm)
Grease :4800
Oil :6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :61.5
face-to-face arrangement :9.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :154
rb(max) :1
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