25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7907C
DB :7907DB
DF :7907DF
DT :7907DT
Principal dimensions(mm)
d :35
D :55
B :10
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :12100
Cor :9150
Basic load ratings(kgf)
Cr :1230
Cor :930
Value
fo :15.7
Limiting Speed (rpm)
Grease :18000
Oil :24000
Distance of action point(mm)
a :11
Abutment and fillet dimensions
da(min) :40
Da(max) :50
ra(max) :0.6
Weight
(kg) :0.074
Basic load ratings(duplex bearing) (N)
Cr :19600
Cor :18300
Basic load ratings(duplex bearing) (kgf)
Cr :2000
Cor :1860
Limiting Speed(duplex bearing) (rpm)
Grease :14000
Oil :20000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :22.1
face-to-face arrangement :2.1
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :52.5
rb(max) :0.3