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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7928C
DB :7928DB
DF :7928DF
DT :7928DT
Principal dimensions(mm)
d :140
D :190
B :24
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :79500
Cor :95500
Basic load ratings(kgf)
Cr :8100
Cor :9700
Value
fo :16.5
Limiting Speed (rpm)
Grease :4800
Oil :6700
Distance of action point(mm)
a :34.1
Abutment and fillet dimensions
da(min) :149
Da(max) :181
ra(max) :1.5
Weight
(kg) :1.63
Basic load ratings(duplex bearing) (N)
Cr :129000
Cor :191000
Basic load ratings(duplex bearing) (kgf)
Cr :13200
Cor :19400
Limiting Speed(duplex bearing) (rpm)
Grease :3800
Oil :5300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :68.2
face-to-face arrangement :20.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :184
rb(max) :1