Helical Buddybox - HBB

Helical gearboxes and gearmotors with Cyclo Drive reducer input. Features keyless, Steel Taper-Grip bushing for easy installation.

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Offset parallel, helical gearbox in a rugged integral, shaft-mounted design.

  • Integrated Cyclo Drive technology
  • Keyless Taper-Grip Bushing or Keyed Hollow Bore


Helical Buddybox - HBB

Sumitomo’s Helical Buddybox - HBB speed reducers and gearmotors provide innovative shaft-mounted drive solutions for demanding applications. The HBB combines the quiet, efficient and reliable performance of the Cyclo Drive input with the rugged helical-gear output. The modular design provides a compact, efficient product and the most flexible range of output speed and torque combinations available.

Key Facts

93 %
100 mm
Max Bore Size
30 kW
Max Rating
Modular Design
Interchangeable cast-iron housings in flange, face or shaft-mount configurations.
Cyclo Drive Technology
Quiet, efficient and reliable operation with high-torque density and compact size.
Taper-Grip Bushing
Provides quick, easy mounting and removal of the unit without the need for a custom shaft.
No Thermal Limitations
Highly-efficient design never needs an external fan.
Rugged Monoblock Housing
Monoblock-housing design eliminates the possibility of leaks at housing split.
Double-Output Seals
Prevent lubricant leaks and protect from contamination.
Mounting Versatility
Flange, Face, and Shaft Mounting options allow for universal mounting.
Long Life Bearings
Oversized, heavy-duty bearings for maximum strength and service life.

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