Bearing Numbers
Single row :7908C
DB :7908DB
DF :7908DF
DT :7908DT
Principal dimensions(mm)
d :40
D :62
B :12
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :15100
Cor :11700
Basic load ratings(kgf)
Cr :1540
Cor :1200
Value
fo :15.7
Limiting Speed (rpm)
Grease :16000
Oil :22000
Distance of action point(mm)
a :12.8
Abutment and fillet dimensions
da(min) :45
Da(max) :57
ra(max) :0.6
Weight
(kg) :0.109
Basic load ratings(duplex bearing) (N)
Cr :24600
Cor :23500
Basic load ratings(duplex bearing) (kgf)
Cr :2510
Cor :2390
Limiting Speed(duplex bearing) (rpm)
Grease :13000
Oil :18000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :25.7
face-to-face arrangement :1.7
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :59.5
rb(max) :0.3
