Martin 100BS16 2 Roller Chain Sprocket 16-Teeth

High‑quality Martin Type B finished‑bore steel sprocket designed for ANSI #100 roller chain. Built for durability, accurate pitch engagement, and reliable power transmission in industrial applications. Manufacturer: Martin Sprocket & Gear Country of Manufacture: USA Model: 100BS16 2 Chain Size: #100 ANSI Roller Chain Number of Teeth: 16 Sprocket Type: Type B, Finished Bore Bore Diameter: 2‑3/16 in (2.188 in / 55.575 mm) Number of Strands: 1 (Single‑Strand) Outside Diameter: 7.034 in (178.664 mm) Pitch Diameter: 6.408 in (162.763 mm) Chain Pitch: 1.25 in (31.75 mm) Hub Type: B‑Hub, One Side Material: Steel Hardened Teeth: No Keyway: Yes, with 2 set screws Weight: 9 lbs (approx. 4.08 kg Please review pictures carefully and let us know if you have any questions!