The S9111A-T6019 is a double-ended, zero-backlash, inline miniature speed reducer with a 1.0625-inch outer diameter, designed for Bu-Ord size 11 servomotors. It features a hardened 416 stainless steel gear train, stainless steel ball bearings throughout, and a compact cantilever design that minimizes backlash while maximizing torque output. Mounting dimensions conform to Bu-Ord OP 1755 motor specifications and use a clamp system for secure, tool-free attachment. Zero-backlash operation is achieved via a torsion spring-loaded gear pair, eliminating lost motion. Maximum backlash is 0° 30', and rated output torque is 30 ozf-in. Input and output shafts are coaxial, allowing flexible system integration. Special ratios, backlash variants, and other modifications are available on special order.
Speed reducers are components that use a gear train to reduce output rpms. MGX gearheads and speed reducers are made to the highest exacting standards of craftsmanship. Our MGX gearheads are attachable to the U.S. Bureau of Ordnance (Bu-Ord for short) frame-size servomotors without modifications to the input pinions and without complicated adapters, screw threads, etc., thanks to the versatile mounting clamps supplied. Mounting dimensions are identical to Bu-Ord OP 1755 motor dimensions.
Our speed reducers are offered in low and zero backlash options, with single- and double-ended shafts. They are available in Bu-Ord sizes 11, 15, and 18 and with an O.D. of 1-1/16”, 1-7/16”, and 1-3/4”.
Consult engineering for the gearheads and speed reducers:
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| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gearboxes and Gearheads |
| Product Number | S9111A-T6019-17 |
| Product Name | 45.56 TO 1, MGX T-Series, Inline MIniature, Zero Backlash, Double-Ended 1.0625" O.D. (Bu-Ord 11) Speed Reducer |
| Gear Ratio | 45.56 (X : 1) |
