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d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7924C
DB :7924DB
DF :7924DF
DT :7924DT
Principal dimensions(mm)
d :120
D :165
B :22
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :72000
Cor :81000
Basic load ratings(kgf)
Cr :7300
Cor :8300
Value
fo :16.4
Limiting Speed (rpm)
Grease :5600
Oil :7500
Distance of action point(mm)
a :30.1
Abutment and fillet dimensions
da(min) :127
Da(max) :158
ra(max) :1
Weight
(kg) :1.15
Basic load ratings(duplex bearing) (N)
Cr :117000
Cor :162000
Basic load ratings(duplex bearing) (kgf)
Cr :11900
Cor :16600
Limiting Speed(duplex bearing) (rpm)
Grease :4500
Oil :6300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :60.2
face-to-face arrangement :16.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :160
rb(max) :0.6