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Koyo NK8/12 needle roller bearing with 15 mm bore, 8 mm outside diameter, and 12 mm width. Machined ring design without inner ring, open type. Suitable for compact radial load applications in gearboxes and industrial machinery.
MODEL NK8/12
$17.26 Each
Prices are subject to change
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Bearing Design
Outer Ring & Roller Assembly
I.D.
8 mm
Limiting Speed - Oil
41000 rpm
O.D.
15 mm
Oil Hole
w/Oil Hole
Origin
Needle Radial
Precision Ground
Yes
Self Aligning
No
Width
12 mm
- Best used for high radial load applications
- Made from premium high carbon high chromium Japanese steel
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.
