jaw coupling / for shafts / pump / industrial
SPRFLEX series 0.5 - 50 Nm Miki Pulley Europe AG



  • Type:


  • Product applications:

    for shafts, pump, industrial, for servo motors, for lifting equipment, motor

  • Material:

    rubber, metallic, steel, stainless steel, aluminum alloy

  • Other characteristics:

    zero-backlash, compact, misalignment correction, torque

  • Torque:

    Max.: 50 Nm (36.8781 ft.lb)

    Min.: 0.5 Nm (0.3688 ft.lb)

  • Rotational speed:

    Max.: 18,000 rpm (113,097.34 rad.min-1)

    Min.: 4,000 rpm (25,132.74 rad.min-1)


The SPR FLEX series is a flexible jaw coupling developed by Miki Pulley. It comes with cushioning rubber (nitrile rubber) between the 2 hubs. Due to the simple development, the unit features easy inserting of spider in a hub, engaging, and disengaging through moving the device in an pivotal direction. In addition, centering can be easily performed through applying a straight edge to the external boundary of the hub.