The A 2Z1A-S21 is a 2:1 miniature right angle helical gear drive with a single output shaft, designed for speed reduction. It has an aluminum housing with anodized finish, hardened steel gears, steel shafts, and stainless steel bearings. The unit measures 1.875 inches in length, 1.250 inches in width, and 0.875 inches in height. It is rated for continuous operation at 1800 rpm with an output power of 1/8 hp. The input shaft has a .250 inch diameter and is configured for clockwise rotation. Output shaft features a #10-24 thread, 0.350 inch deep, with nine thread locations.
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 | A 2Z1A-S21 |
| Product Name | 2:1 Miniature Right Angle Helical Gear Drive with 1 Output shaft |
| Gearing | Helical |
