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28990/28919
Basic Parame
Single row taper roller bearings
Series
28990/28919
Model
28990
Inner ring
28919
Outer ring
Size(mm)
61.976
d
99.979
D
23.812
T
Rated load,N
98200
Dynamic load(1)C1
0.43
coefficient(5)e
1.41
Coefficient(5)Y
25500
Dynamic load(2)C90
18500
Dynamic load(2)Ca90
1.37
Coefficient(5)K
149000
Static load Ca90
Bearing
24.608
B
19.050
C
-1.8
a(3)
axis
2.0
Maximum shoulder chamfer radius R(4)
68.0
Shoulder diameterda
72.0
Shoulder diameter db
Bearing housing
1.5
Maximum shoulder chamfer radiusr(4)
96.0
Shoulder diameter Da
90.0
Shoulder diameter Db
Cage
1.20
Aa
1.40
Ab
Coefficient
60.1
G1
24.5
G2
0.1032
Cg
Weight
0.71
kg
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