Martin 11RN 80BS13HT Sprocket 1-1/2" Bore 11-Teeth

The Martin 11RN 80BS13HT is a heavy‑duty roller chain sprocket designed for reliable power transmission in industrial mechanical drive systems. Manufactured from high‑strength steel, it is suitable for use with standard roller chains and features a machined bore for secure mounting on a shaft. Technical specifications Manufacturer: Martin Sprocket & Gear, Inc. Part number: 11RN 80BS13HT Product type: Roller chain sprocket Sprocket style: Type B (hub on one side) Chain size compatibility: ANSI 80 roller chain Number of teeth: 11 Pitch: 1 inch Bore size: 1‑1/2 in Bore type: Straight bore Keyway: Standard keyed bore Keyway size: 3/8 in × 3/16 in Set screw: Included Set screw size: 5/16‑18 UNC Hub projection: Single hub Material: Carbon steel Material treatment: Heat‑treated teeth (HT) Finish: Black oxide Outside diameter: Approx. 4.62 in Hub diameter: Approx. 3.00 in Overall length: Approx. 1.63 in Torque capacity: Suitable for ANSI 80 heavy‑duty applications Mounting method: Shaft mount with key and set screws Operating environment: Industrial duty Typical applications: Conveyors, power transmission drives, industrial machinery Standards compliance: ANSI B29.1 roller chain standards Country of manufacture: United States Please review pictures carefully and let us know if you have any questions!