RT – universal mounting worm gearboxes and gearmotors
The worm gearboxes, RT series, specifically designed for universal mounting, are manufactured with die cast housings and covers in aluminium up to the size 85 and cast iron from the size 110.
Torques listed in selection tables are output torque values for the specific size, and motor powers are always referred to 1440 rpm.
Input Viton oil seals, fitted on request, allow trouble-free operation with 2-pole standard ac motors or 3000 rpm dc motors and Silicone oil seals for low temperatures.
Gearboxes are delivered filled with synthetic long-life oil (without plugs), in quantities as recommended on page 17, and valid for all mounting positions.
Selection table data are intended for service factor SF1.0 i.e. 8-10 running hours per day, uniform load, less than 6 start/ stops per hour, and room temperature ranging from 15 to 35 °C.
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