914274-1 Fixed Bore Roller Chain Sprocket, For Industry Chain Size: 40, 16 Number of Teeth | Imperial Supplies
40-1 Roller Chain | FB Chain
Amazon.com: Jeremywell 40 Roller Chain 3 Feet with 1 Connecting Link for Go Karts, Mini Bikes, Scooters, ATV, MTV, Dirt Bike and Other Industrial Machinery : Automotive
TRITAN, Single Strand, 40, Roller Chain - 42MK29|40-1NP X 10FT - Grainger
Made in USA - Chain Size 40, Polyethylene, Floating Roller Chain Tensioner - 36689529 - MSC Industrial Supply