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7221BDB
Basic Parameters
7221 BDB
model
Angular contact ball bearing1
type
Overall dimensions
105
d
190
D
36
B
2.1
r
1.1
R1 large chamfer
single-column rated load
142 000
Cr
129 000
Cor
14 500
Cr
13 100
Cor
Factor coefficient
—
0
Maximum speed
2 600
Grease
3600
Oil
79.9
a
installation dimensions
117
da
178
Da
2
ra
Mass weight(kg)
3.92
approx
Bearing designation
7221 B
Single column
DB DF DT
Duplex paired double
Paired dual-row rated load
231 000
Cr
258 000
Cor
23 500
Cr
26300
Cor
Pair Maximum Speed
2 200
Grease
3 000
Oil
159.8
DB back-to-back
87.8
DF face-to-face
112
db(3)
183
Db
1
rb(3)
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