7921A5,7921DB,7921DF,7921DT
7900 Series
Dimension and Parameters
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- Bearing Numbers
-
Single row7921A5
-
DB7921DB
-
DF7921DF
-
DT7921DT
- Principal dimensions(mm)
-
d105
-
D145
-
B20
-
r(min)1.1
-
r1(min)0.6
- Basic load ratings(N)
-
Cr48000
-
Cor54000
- Basic load ratings(kgf)
-
Cr4900
-
Cor5500
- Value
-
fo16.4
- Limiting Speed (rpm)
-
Grease6600
-
Oil7500
- Distance of action point(mm)
-
a39.2
- Abutment and fillet dimensions
-
da(min)112
-
Da(max)138
-
ra(max)1
- Weight
-
(kg)0.82
- Basic load ratings(duplex bearing) (N)
-
Cr78500
-
Cor108000
- Basic load ratings(duplex bearing) (kgf)
-
Cr8000
-
Cor11000
- Limiting Speed(duplex bearing) (rpm)
-
Grease4300
-
Oil6000
- Distance of action point (duplex bearing)(a0)
-
back-to-back arrangement78.3
-
face-to-face arrangement38.3
- Installation dimensions(duplex bearing)
-
db(min)-
-
Db(max)140
-
rb(max)0.6
