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663A/653
Basic Parame
Single row taper roller bearings
Series
663A/653
Model
663A
Inner ring
653
Outer ring
Size(mm)
82.550
d
146.050
D
41.275
T
Rated load,N
229000
Dynamic load(1)C1
0.41
coefficient(5)e
1.47
Coefficient(5)Y
59300
Dynamic load(2)C90
41500
Dynamic load(2)Ca90
1.43
Coefficient(5)K
335000
Static load Ca90
Bearing
41.275
B
31.750
C
-7.9
a(3)
axis
6.8
Maximum shoulder chamfer radius R(4)
92.0
Shoulder diameterda
105.0
Shoulder diameter db
Bearing housing
3.3
Maximum shoulder chamfer radiusr(4)
139.0
Shoulder diameter Da
131.0
Shoulder diameter Db
Cage
4.50
Aa
2.00
Ab
Coefficient
137
G1
27.3
G2
0.0919
Cg
Weight
2.70
kg
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