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NTN 8E-NK30X47X19 NK series machined ring needle roller bearing without inner ring. 30 mm bore, 47 mm outside diameter, 19 mm width. Open design with steel cage, high carbon chrome steel construction. Provides high radial load capacity in a compact cross-section for industrial applications.
MODEL 8E-NK30X47X19
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$43.16 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
C (in)
0.7480
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
1.8504
Enclosure
Open
Fw
1.1811 in
I.D.
30 mm
Material
High carbon chrome steel
O.D.
47 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
Roller Type
Needle
Roller type
Needle
Type
Needle Roller Bearing
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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