The S9111A-T6017 is a double-ended, inline miniature speed reducer with a 1.0625-inch outer diameter, designed for Bu-Ord size 11 servomotors. It features zero-backlash capability, ball bearings throughout, and a maximum backlash of 0° 30'. The unit has a rated output torque of 30 ozf·in and a maximum starting torque of 0.01 ozf·in. Mounting dimensions conform to Bu-Ord OP 1755 motor specifications, enabling direct attachment without adapters. The 40.15:1 gear ratio variant is listed, with other ratios available on special order. Output rotation direction can be same (S) or opposite (R) to input.
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-T6017-40 |
| Product Name | 211.72 TO 1, MGX T-Series, Inline MIniature Double-Ended 1.0625" O.D. (Bu-Ord 11) Speed Reducer |
| Gear Ratio | 212 (X : 1) |
