#40 Roller Chain Idler Sprocket 5/8″ Bore, 18T

Upgrade your machinery with the Saelno #40 Roller Chain Idler Sprocket, designed for reliable power transmission in demanding applications. This C-Type sprocket features a 5/8" bore, 18 teeth, and a 1/2" pitch, fully compatible with ANSI #40 roller chains. Constructed from hardened ANSI 1045 carbon steel, the teeth are heat-treated to HRC38-42 for superior durability, while the blackened surface provides exceptional corrosion resistance.

Ideal for agricultural, woodworking, and industrial machinery, this idler sprocket ensures smooth operation in tough conditions. Easy to install and low-maintenance, it delivers stable performance even in harsh environments. Compatible with industry-standard brands like Martin and Browning, it’s a cost-effective solution for extending the life of your drive systems.