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  • Hardened "QD" Split Taper Lock Bushing Sprocket 120E21H
  • Hardened "QD" Split Taper Lock Bushing Sprocket 120E21H

    • Hardened "QD" Split Taper Lock Bushing Sprocket 120E21H

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    SKU:
    PLI 120E21H
    Weight:
    19.90 LBS
    Hardened tooth:
    Yes
    Bushing series:
    E
    Tooth count:
    21
    Chain series:
    120
    Material:
    Carbon steel
    Finish:
    Black oxide
    Standards:
    ANSI/ASME

    Product Description

  • The generic "QD" taper lock profiles creator is unknown, but Emerson Electric is the registered owner of the QD® trademark.
  • Sprockets attached to a shaft with a split taper lock bushing are the better choice when a very tight grip on the shaft is required as the shaft is grasped 360° around its circumference.
  • In comparison, finished bore sprockets with a "keyway and two set screws" are acceptable in many installations as they are narrower, and cheaper.
  • The down side to "keyway and two set screw" sprockets is that they have a greater tendency to come loose or "walk" on the shaft as the set screws only contact the shaft in two locations.
  • The down side to split taper lock designs is that they are wider than a keyway & set screw style sprocket and require room for a wrench to tighten and loosen the bolts for installation and removal.


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    Custom Field

    Hardened tooth Yes
    Bushing series E
    Tooth count 21
    Chain series 120
    Material Carbon steel
    Finish Black oxide
    Standards ANSI/ASME

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