Needle rolling bearings are cylindrical bearings with numerous small, slender rollers held in a cage that rolls between a hardened outer ring and a hardened inner ring. They are used in a wide range of applications, including automotive, industrial, and aerospace, where high load capacity and low friction are required.
There are two main types of needle rolling bearings:
1. Drawn cup needle roller bearing
2. Solid needle roller bearing
Drawn Cup Needle Roller Bearing | Solid Needle Roller Bearing |
---|---|
Inner ring is drawn from sheet steel | Inner ring is a solid, hardened steel cylinder |
Outer ring is made from sheet steel | Outer ring is made from carburized or hardened steel |
Used in applications with light to moderate loads | Used in applications with heavy loads |
Needle rolling bearings are used in a wide range of applications, including:
To get started with needle rolling bearings, follow these steps:
When choosing a needle rolling bearing, users care about:
Pros:
Cons:
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