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7311BDB
Basic Parameters
7311 BDB
model
Angular contact ball bearing1
type
Overall dimensions
55
d
120
D
29
B
2
r
1
R1 large chamfer
single-column rated load
79000
Cr
56500
Cor
8050
Cr
5750
Cor
Factor coefficient
—
0
Maximum speed
4 500
Grease
6300
Oil
51.2
a
installation dimensions
65
da
110
Da
2
ra
Mass weight(kg)
1.45
approx
Bearing designation
7311 B
Single column
DB DF DT
Duplex paired double
Paired dual-row rated load
128000
Cr
113000
Cor
13 100
Cr
11500
Cor
Pair Maximum Speed
3600
Grease
5000
Oil
102.4
DB back-to-back
44.4
DF face-to-face
61
db(3)
114
Db
1
rb(3)
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