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  • NA4904 Machined Needle Roller 20x37x17 NA-4904

    25 days
    2 PCS

    NA4904 bearing is Precision Machined Needle Roller Bearing with Inner Ring in complete Set.

    Sizes: ID 20mm x OD 37mm x L 17mm

    Match#: NA4904Z, NA4904J, NA-4904

    Boundary Dimensions in mm Basic Dynamic Load Basic Static Load

    Speed Limit


    C C0
    d D C B Fw N N
    20 37 17 - 25 21,000 25,000 16,000

    NA4904 Needle roller bearings with machined rings made of bearing steel have a low sectional height and a high load carrying capacity. The NA4904 bearings can be used with or without an inner ring. Needle roller bearings RNA4904 without an inner ring will require the shaft to be hardened, ground and polished.

    Chrome Steel SAE-52100
    Chevron SRI-2 Grease
    NA4904Z, NA4904J, NA-4904

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