GB28 50:1 Bronze


Worm Wheel

Gear Ratio


Nm (Cont)


Nm (Int)


Part No:GB28-50B

GB28 50:1 Modular, bronze gears
Spec overview
Gearbox Orientation Right Angle
Gearbox Type Worm Wheel
Gearbox Ratio 50:01:00
Gear Material Bronze
Gearbox Stages 1
Gearbox Efficiency 50%
Gearbox Axial Load 300 N
Gearbox Radial Load 400 N
Gearbox Continuous Torque 5.0 Nm
Gearbox Intermittent Torque 8.0 Nm
Backlash 10-25 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