Chain Tensioner Sprocket 12mm Bore 1/2" Pitch 13 Tooth Tensioner Black Oxide Finished C45 Carbon Steel with Insert Single Bearing for ISO 08A Chains

Features: Number of teeth 13; Bearing model: 6001Z; External diameter: 58 mm/2.28-inch; Bump Width: 0.3 cm/0.14-inch; Overall Width: 14mm/0.55-inch; Bore Diameter: 12mm/0.05 inch. Pitch: 1/2-inch / 1.2 cm; tooth width: 7 mm/0.28 inches; 1 x tensioner sprocket. The idler sprocket is a chain sprocket, with a waterproof bearing that lets the sprocket rotate freely. Idler gears are usually installed in a position fixed on a fixed shaft. The product is made of C45 carbon steel, the toothed part undergoes high temperature quenching heat treatment, high hardness, wear resistance, long service life, ease of use. The idler sprocket shall not rotate at a speed higher than that permitted for drive sprockets of the same size. Each roller chain sprocket is equipped with strong teeth that can hook to the chain. It is advisable that sprockets have at least three teeth engaged with the chain. Widely used for milling machines, drills and other transmission machines.