【Size】Number of teeth: 12; Bearing Model: 636ZZ; Outer diameter (OD): 39.2mm/1.54-inch; Inner diameter (ID): 6mm/0.24-inch; Pitch: 9.525mm/3/8-inch 【Material】Crafted made of C45 carbon steel, the teeth are quenched and heat-treated at high temperature and have a black oxide Coatingon the surface, featuring high hardness, good abrasion resistance, strong rust resistance and durability 【Advantage】Precise fit and premium materials reduce friction, prolong chain and drive component lifespan, and effectively lower maintenance expenses 【Application】Roller chain idler sprockets are widely used in diverse industrial settings including conveyor belts, milling machines, drilling machines, and other mechanical transmission applications 【Note】A freewheel sprocket is a flat sprocket with a sealed bearing that allows free rotation. Idler sprockets are typically fixed on a stationary shaft at a designated position Specifications
Material：Crafted made of C45 carbon steel, the teeth are quenched and heat-treated at high temperature and have a black oxide Coatingon the surface, featuring high hardness, good abrasion resistance, strong rust resistance and durability
Features: Precise fit and premium materials reduce friction, prolong chain and drive component lifespan
Tips:
A freewheel sprocket is a flat sprocket with a sealed bearing that allows free rotation. Idler sprockets are typically fixed on a stationary shaft at a designated position