KOYO Bearing WJ-647216

Product description of KOYO Bearing WJ-647216

KOYO Radial needle roller and cage assemblies Inch series,KOYO Bearing WJ-647216,Needle roller bearings have a small cross-sectional height therefore contribute to keeping the overall machine lightweight and compact. As such, they are used across a broad scope, including cars, motorcycles, electric machinery, machine tools, aerospace devices, office equipment and other industrial machinery.

KOYO Radial needle roller and cage assemblies Inch series,KOYO Bearing WJ-647216,Provided are a cage and roller in which a holder for said cage and roller comprises an engaging protrusion that elastically deforms and shrinks in diameter when inserted in the support hole of a rocker arm on the outer peripheral surface of a rim section, elastically returns after insertion, engages with the rocker arm, and sets the position of the holder in the axial direction thereof with respect to the rocker arm. As a result, it is possible to attach the cage and roller to the rocker arm in order to create a unit in a state in which the position in the axial direction is set, and attachment of the cage and roller to the rocker arm is thereby simplified.

KOYO Radial needle roller and cage assemblies Inch series,KOYO Bearing WJ-647216, needle roller and cage assemblies are self¬-contained, ready-¬to¬-mount bearings. In applications where the shaft and housing bore can serve as raceways, the assemblies can be used to create bearing arrangements that require minimal radial space.

Needle roller and cage assemblies with a split cage can be used where raceways are recessed in the shaft Special needle roller and cage assemblies are used for the bludgeon (wrist) pin and crank-pin (crankshaft journal) for connecting rods of internal combustion engines and compressors. They provide excellent service in spite of rapid accelerations, elevated temperatures, unfavourable load, and poor lubrication conditions.

For additional information about special sizes and designs, which are available on request, contact KOYO.
KOYO single row needle roller and cage assemblies are fitted with one of the cage designs shown in table 1.
Double row needle roller and cage assemblies have a double row cage in the same design as a single row cage.
When used at high temperatures, some lubricants can have a detrimental effect on poly-amide cages. For additional information about the suitability of cages, refer to Cages.

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