The Hub City HERA (High-Efficiency Right Angle) gear reducer is a direct replacement for worm gearing and offers 90% operating efficiency, which means it converts power from an electric motor into mechanical power with only a ten percent loss of energy.
https://www.regalrexnord.com/brands/hub-city/products/hera WHY HERA® GEAR DRIVES?
40% more efficient than standard worm gearing. Dimensionally
interchangeable to up to 11 sizes of worm drives for inventory consolidation. Available with a variety of Marathon® premium efficiency
motors for even more energy savings (recommended). Bronze bushing quill liner to prevent fretting and for easy
motor removal (56C & 143TC). Increased torque density and efficiency allow for
downsizing of units and motors. Filled with PAG460 premium synthetic lubricant for
enhanced efficiency (Meets USDA H1). Viton* double lip seals
protect against leaks at higher temperatures.
Longer life expectancy than that of standard worm gearing.
Rapid payback – Up to $550 savings per year with each increment of motor HP.
Three year warranty. Models
HERA35 and HERA45 also available in stainless steel.