Product
A.P. LOCK
(Keyless Bushing)

A.P. Lock (Keyless Bushing) is a power transmission component that
enables to clamp shaft and hubs (i.e. pulley, gear etc.) simultaneously
through its surface pressure. S.I.M provides diverse options in regards
to size, body material and surface treatment.

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  • INDEX (A.P.LOCK)
  • Selection and Design Guide
  • HOW TO INSTALL
    (SAPL-A, B,C, D1, D2, D3, D4, T Series)
  • HOW TO INSTALL (SAPL-R)
  • HOW TO INSTALL (SAPC, SAPA)

SAPL-D1 Series download

Structure and Material for SAPL-D1 Series
Model Body (Inner-ring / Outer-ring) Screw(locking bolt)
Material Surface
Treatment
Material Surface
Treatment
SAPL-D1 STEEL - SCM435 Black Oxide

※ Please contact Sung-il Customer Service team for eletroless nickel plating surface treatment option for SAPL-D1 Series.

Product Features
  • The most standard clamping structure between shaft and hub
  • Relatively higher clamping force
  • A wide range of standard inner diameters (from Ø18 to Ø200)
  • Recommended tolerance (Shaft’s OD: h8, Hub’s ID: H8)
  • Simple structure for easier installation & handier maintenance
How to Order
Principles

※ If more than 2pcs of SAPL-D1 are mounted simultaneously, the clamping force on shaft (permissible torque) becomes higher.

  • SAPL-D1/ 1pc mounted: Tc (Max. Permissible Torque)
  • SAPL-D1/ 2pcs mounted : Tc (Max. Permissible Torque) x 1.9
  • SAPL-D1/ 3pcs mounted : Tc (Max. Permissible Torque) x 2.7