KANA FB sprocket 50, number of teeth 25, outer diameter 135, shaft hole diameter 20, FBN50B25D20, 1 piece

Catalog number: FBN50B25D20 Features: ● A pre-processed product with shaft holes, keyways, set screws, and screws. Ready to use, shortens setup time. ● Reliable quality and stable precision. Shaft holes, keyways, and set screws are all processed within JIS tolerances, so there is no need to worry about problems. ● New JIS keyway specifications. Specifications: ● Number of teeth: 25 ● Outer diameter (mm): 135 ● Shaft hole diameter (mm): 20 ● Boss diameter (mm): 73 ● Boss length (mm): 28 ● Compatible chain: No. 50 ● Chain pitch: 15.875 mm ● Roller link inner width: 9.53 mm ● Tooth width: 8.7 mm ● New JIS keyway specifications Material/Finish: ● Carbon steel for machine construction ● Heat treatment: High-frequency hardening of teeth