full-face one-way clutch / with internal bearings / backstop
BM series



  • Construction:

    full-face, with internal bearings

  • Applications:


  • Torque:

    Max.: 57,500 Nm (42,409.8236 ft.lb)

    Min.: 150 Nm (110.6343 ft.lb)

  • Diameter:

    Max.: 150 mm

    Min.: 15 mm

  • Rotational speed:

    Max.: 3,500 rpm (21,991.15 rad.min-1)

    Min.: 250 rpm (1,570.8 rad.min-1)


Complete Freewheels BM are sealed freewheels with ball bearings. They are supplied oil-filled and ready for installation.

Besides the standard type, the type with sprag lift-off X is available for wearfree freewheeling operation at high speed rotating inner ring.

Nominal torques up to 57 500 Nm.
Bores up to 150 mm.

A multitude of standardized bore diameters are available with short delivery times.

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