Bearing Numbers
Single row :7938C
DB :7938DB
DF :7938DF
DT :7938DT
Principal dimensions(mm)
d :190
D :260
B :33
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :147000
Cor :192000
Basic load ratings(kgf)
Cr :15000
Cor :19600
Value
fo :16.5
Limiting Speed (rpm)
Grease :3000
Oil :4300
Distance of action point(mm)
a :46.6
Abutment and fillet dimensions
da(min) :200
Da(max) :250
ra(max) :2
Weight
(kg) :4.98
Basic load ratings(duplex bearing) (N)
Cr :239000
Cor :385000
Basic load ratings(duplex bearing) (kgf)
Cr :24400
Cor :39000
Limiting Speed(duplex bearing) (rpm)
Grease :2400
Oil :3400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :93.3
face-to-face arrangement :27.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :254
rb(max) :1
