Precision Planetary Gearheads have high-torque design.

Press Release Summary:

Comprising 36 gearheads, S9160AMRTX... and S9190AMRTX...Series are both offered in standard NEMA sizes 60 and 90 and feature single, double, and triple gear stage configurations with respective minimum efficiencies of 95%, 90%, and 85%. Each size is offered in gear ratios from 4:1 to 700:1 and has max input speed of 6,500 rpm. Regarding construction materials, housings are of stainless steel, output shafts are of stainless steel, and gears are of alloy and stainless steel.

Original Press Release:

New RTX Precision Planetary Gearheads from Sterling Instrument Feature High Torque Design

(New Hyde Park, NY) -- A new series of RTX precision planetary gearheads from Sterling Instrument (ISO 9001:2000+AS9100B Registered Manufacturer) feature high torque design and are offered in standard NEMA sizes 60 and 90. These 36 gearheads, identified as the S9160AMRTX... and the S9190AMRTX...Series feature single, double, and triple gear stage configurations, optimized gear geometry, high torsional stiffness, captive, bearing supported input pinion, and they are sealed to extend service life.

Each of the two NEMA sizes are offered in gear ratios ranging from 4:1 to 700:1. Their maximum input speed is 6500 rpm. Their single stage, double stage, and triple stage minimum efficiencies are 95%, 90% and 85% respectively. Operating temperatures range from -40°C to +121°C. The housings are made of stainless steel, with anodized aluminum mounting flanges. The output shafts are made of stainless steel and the gears are made of alloy and stainless steel.

Quotes, online orders, and 3D CAD Models are available at our updated eStore at: SDP/SI offers over 130,000 power transmission components including: gears, belt and chain drives, shafts, shaft accessories, bearings, couplings, universal joints, vibration mounts, miscellaneous components, hardware, gearheads and speed reducers, right angle drives, brakes and clutches, motors and gearmotors.

Detailed specifications are contained in Catalog D805, available free upon request from Sterling Instrument, 2101 Jericho Turnpike, P.O. Box 5416, New Hyde Park, NY 11042-5416. Phone: 516-328-3300, Fax: 516-326-8827. Web:

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