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GB28 50:1 Bronze


Worm Wheel

Gear Ratio


Nm (Cont)


Nm (Int)


Part No:GB28-50B

GB28 50:1 Standard, bronze gears

This product comes in multiple variations. Get in touch to discuss your exact requirements.

Gearbox OrientationRight Angle
Gearbox TypeWorm Wheel
Gearbox Ratio50:1 ratio
Gear MaterialBronze
Gearbox Stages1
Gearbox Efficiency50%
Gearbox Axial Load300 N
Gearbox Radial Load400 N
Gearbox Continuous Torque5.0 Nm
Gearbox Intermittent Torque8.0 Nm
Backlash10-25 arc.min
Weight (kg)0.83

The Parvalux GB28 is a right-angle, worm wheel gearbox. With available ratios ranging from 15 – 60:1, it offers a wide range of output speeds and a capability of up to 5 Nm torque in continuous operation and 8 Nm in intermittent operation. The GB28 gearbox is available with bronze gears, offering efficiencies of up to 75%. It is also perfectly suited for use with a range of Parvalux PMDC and BLDC motors, enabling you to assemble the perfect combination of motor and gearbox for your application