Stock Drive Products & Sterling Instrument - SDP/SI 72 DP, 150 Teeth, 20° Pressure Angle, Anti-Backlash Spur Gear S1A56A-F072S150

The S1A56A-F072S150 is an anti-backlash spur gear with 150 teeth and a 72 pitch, designed for precise motion control. It features a 0.1873 inch bore, 20° pressure angle, and is made from 2024-T4 or -T351 aluminum alloy, anodized before cutting. The hub is constructed from 303 stainless steel, and the spring is 302 stainless steel in spring temper. The gear has a face width of 0.104 inch and an outer diameter of 2.111 inches. It requires a clearance fit of 0.0001 to 0.0008 inch between the bore and shaft. The part conforms to AGMA 10 standards and is paired with a Fairloc® hub that necessitates controlled shaft tolerances.