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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7902A5
DB :7902DB
DF :7902DF
DT :7902DT
Principal dimensions(mm)
d :15
D :28
B :7
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :4550
Cor :2530
Basic load ratings(kgf)
Cr :465
Cor :258
Value
fo :14.8
Limiting Speed (rpm)
Grease :32000
Oil :43000
Distance of action point(mm)
a :8.5
Abutment and fillet dimensions
da(min) :17.5
Da(max) :25.5
ra(max) :0.3
Weight
(kg) :0.015
Basic load ratings(duplex bearing) (N)
Cr :7400
Cor :5050
Basic load ratings(duplex bearing) (kgf)
Cr :755
Cor :515
Limiting Speed(duplex bearing) (rpm)
Grease :26000
Oil :34000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :17
face-to-face arrangement :3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :26.8
rb(max) :0.15