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  • NA4909 Machined Needle Roller 45x68x22 NA4909Z

    ID 45mm x OD 68mm x L 22mm
    $71.77
    25 days
    NA4909
    10 PCS
    +

    NA4909 bearing is Precision Machined Needle Roller Bearing with Inner Ring in complete Set.

    Sizes: ID 45mm x OD 68mm x L 22mm

    Match#: NA4909Z, NA4909J, NA-4909


    Boundary Dimensions in mm Basic Dynamic Load Basic Static Load

    Speed Limit

    RPM

    C C0
    d D C B Fw N N
    45 68 22 - 52 43,500 73,300 7500

    NA4909 Needle roller bearings with machined rings made of bearing steel have a low sectional height and a high load carrying capacity. The NA4909 bearings can be used with or without an inner ring. Needle roller bearings RNA4909 without an inner ring will require the shaft to be hardened, ground and polished.

    Sizes:
    ID 45mm x OD 68mm x L 22mm
    Material:
    Chrome Steel SAE-52100
    Lubrications:
    Chevron SRI-2 Grease
    Interchange:
    NA4909Z, NA4909J, NA-4909

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