7221A,7221DB,7221DF,7221DT
7200 Series
Dimension and Parameters
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- Bearing Numbers
-
Single row7221A
-
DB7221DB
-
DF7221DF
-
DT7221DT
- Dimensiones principales （mm）
-
d105
-
D190
-
B36
-
r(min)2.1
-
r1(min)1.1
- Basic load ratings(N)
-
Cr157000
-
Cor142000
- Basic load ratings(kgf)
-
Cr16000
-
Cor14400
- Valor
-
fo15
- Limiting Speed (rpm)
-
Grease3800
-
Oil5000
- Distance of action point(mm)
-
a60.6
- Abutment and fillet dimensions
-
da(min)117
-
Da(max)178
-
ra(max)2
- Peso
-
(kg)3.84
- Basic load ratings(duplex bearing) (N)
-
Cr254000
-
Cor283000
- Basic load ratings(duplex bearing) (kgf)
-
Cr25900
-
Cor28900
- Limiting Speed(duplex bearing) (rpm)
-
Grease3000
-
Oil4000
- Distance of action point (duplex bearing)(a0)
-
back-to-back arrangement121.2
-
face-to-face arrangement49.2
- Installation dimensions(duplex bearing)
-
db(min)112
-
Db(max)183
-
rb(max)1
