Uxcell 2Pack #25 Roller Chain Idler Sprocket, 6mm Bore 1/4" Pitch 17 Tooth Sprocket Tensioner Carbon Steel

1. Idler sprocket is a flat sprocket, with a sealed bearing that allows the sprocket to rotate freely. Idler sprockets are normally mounted in a fixed position on a fixed shaft.
2. The Idler sprocket should not rotate at a greater speed than is allowable for drive sprockets of the same size. Every roller chain idler sprocket comes with strong teeth that can latch onto the chain. It is suggested that idler sprockets have at least three teeth in mesh with the chain.
3. The product is made of c45 carbon steel, the tooth part high temperature quenching heat treatment, high hardness, wear resistance, long service life, easy to use.
4. Widely used in milling machine, drilling machine or other machinery transmission occasions.