KANA Idler 35C21 Wheel ID35C21D17 1 piece

Catalog number: ID35C21D17 Features: ●Idler sprockets maintain the appropriate tension during roller chain transmission. ●The teeth are hardened for excellent durability. Applications: ●Combine an idler, pin and tightener to adjust the chain's elongation. Specifications: ●Chain No.: 35 ●Number of teeth: 21 ●Outer diameter (mm): 69 ●Reference circle diameter (mm): 63.91 ●Boss diameter (mm): 53 ●Inner ring diameter (mm): 17 ●Shape: C-type ●Total width (mm): 19 ●Compatible bearings: 6203ZZ ●Compatible idler shaft: IDP6203 Material/Finish: ●Sprocket: Carbon steel for machine construction ●Heat treatment: High-frequency hardening of teeth ●Surface treatment: Black dyeing