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Specifications
Availability19 pcs
BrandNTN
Item Number1309SK NTN
EAN4547359514278
CategorySelf Aligning Ball Bearing Double Row
Weight and Dimensions
Inner (d) MM
45
Outer (D) MM
100
Width (B) MM
25
Inner (d) Inch
1.7717
Outer (D) Inch
3.937
Width (B) Inch
0.9843
Weight (kg)
0.942
Product Properties
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
S - Steel or Standard Cage
Radial Internal Play
Cn Normal Internal Play
Precision
Standard Precision
Lubrication
Standard Lubrication
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
SPressed Steel Cage
KTapered Bore, Taper 1:12
Product description
The 1309SK NTN belongs to the group of double-row self-aligning deep-groove ball bearings. This bearing type without a seal is a double-row bearing. Both rows are housed in a spherical raceway in the outer ring. This construction allows the bearing to be self-aligning. This means that any misalignment of the shaft relative to the bearing housing does not adversely affect performance.
These features make the 1309SK NTN highly suitable for applications where substantial misalignment or shaft deflections may occur. Also, self-aligning bearings have the lowest friction of all rolling-element bearings. Even at higher speeds, there is only limited frictional heat. These bearings are capable of handling high radial loads. To a lesser extent, they can be axially loaded in both directions.
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