IMAO EMPLAS PROCKET IDLE BIS221 1 pc

Catalog number: BIS221 Features: ●Lightweight because it uses general-purpose engineering plastic polyamide resin 6 nylon. ●Made of resin, the load on the chain is small and it is less likely to damage the chain. ●Can be used without lubrication. ●Ideal for medium load and medium speed applications. ●Integrated ball bearing molding. Applications: ●Combines pins and tighteners to adjust chain elongation. ●Eye Specifications: ●Chain No.: 25 ●Number of teeth: 21 ●Outer diameter (mm): 45.5 ●Reference circle diameter (mm): 42.61 ●Boss diameter (mm): 27 ●Inner ring diameter (mm): 10 ●Total width (mm): 10 ●Compatible idler shaft: PID1006 Material/Finish: ●Sprocket: Polyamide (PA)