Principal dimensions£¨mm£© |
d
|
20 |
D
|
52 |
B
|
15 |
r(min)
|
1.1 |
r1(min)
|
0.6 |
Basic load ratings(N) |
Cr
|
18700 |
Cor
|
10400 |
Basic load ratings{kgf} |
Cr
|
1910 |
Cor
|
1060 |
|
Value£¨fo£©
|
13.2 |
Speed ratings(rpm) |
Grease
|
13000 |
Oil
|
17000 |
Distance of action point |
a£¨mm£©
|
17.9 |
Abutment and fillet dimensions (mm) |
da(min)
|
27 |
Da(max)
|
45 |
ra(max)
|
1 |
|
Weight(g)
|
0.146 |
Designation |
Single row
|
7304A |
DB
|
7304DB |
DF
|
7304DF |
DT
|
7304DT |
Basic load ratings(duplex bearing)(N) |
Cr
|
30500 |
Cor
|
20800 |
Basic load ratings(duplex bearing){kgf} |
Cr
|
3100 |
Cor
|
2130 |
Limiting Speed (rpm) (Duplex bearing) |
Grease
|
10000 |
Oil
|
13000 |
Distance of action point(Duplex bearing) |
a0(mm)Back-to-back arrangement
|
35.8 |
a0(mm)Face-to-face arrangement
|
5.8 |
Installation dimensions(duplex bearing) |
dbmin
|
25 |
Dbmax
|
47 |
rbmax
|
0.6 |