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18690/18620
Basic Parame
Single row taper roller bearings
Series
18690/18620
Model
18690
Inner ring
18620
Outer ring
Size(mm)
46.038
d
79.375
D
17.462
T
Rated load,N
48200
Dynamic load(1)C1
0.37
coefficient(5)e
1.60
Coefficient(5)Y
12500
Dynamic load(2)C90
7990
Dynamic load(2)Ca90
1.56
Coefficient(5)K
61300
Static load Ca90
Bearing
17.462
B
13.495
C
-2.0
a(3)
axis
2.8
Maximum shoulder chamfer radius R(4)
51.0
Shoulder diameterda
56.0
Shoulder diameter db
Bearing housing
1.5
Maximum shoulder chamfer radiusr(4)
74.0
Shoulder diameter Da
71.0
Shoulder diameter Db
Cage
0.70
Aa
1.60
Ab
Coefficient
23.9
G1
17.7
G2
0.0725
Cg
Weight
0.33
kg
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