As the name suggests, a needle roller and cage assemblies consist of a cage and several needles. They can have one or two rows of needles. Each needle is guided inside the cage, which is usually made of steel or plastic (called TN in the reference). Because it does not have an inner and/or outer ring, this bearing can be used in applications where the shaft and housing can be used as a raceway. This type of bearing can support high radial loads in a small space. This is because the needles have a larger contact area than the balls, which allows the cage to support high loads.
Needle roller and cage assemblies are used in many industrial applications, including automotive, hand tools, pumps, motors, and construction machinery. It is a product that provides a precise and robust connection between different mechanical parts.
As said before, the main advantage of this product line is its high load capacity. They can also operate at very high speeds.
To identify the needle roller and cage assemblies you need, it is necessary to take the dimensions of the cage. You need to measure the inner diameter, outer diameter, and thickness. It may be difficult to take these dimensions directly from the part. This is why we recommend that you take the dimensions directly on the assembly with a caliper to be as precise as possible. Once the dimensions are identified, you will have a wide choice of brands. Indeed, 123Bearing offers on its website needle roller and cage assemblies from SKF, KOYO, IKO, INA, ASFERSA, NTN, TORRINGTON, FAG as well as 123Bearing generic ones.
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