Martin
100B28

B Style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, setscrews and hardened teeth are quick alterations that can be made.

Martin Roller Chain Sprocket, Type B Single Strand Welded Reboreable, 1-1/4 to 3-5/16 in Bore, 11.844 in OD, #100 Chain, 28 Teeth, 1-1/4 in Pitch, 11.1643 in Pitch Diameter, 5 in Diameter Hub, 2 in Length Through Bore, Steel

• Manufactured of high carbon steel
• Precise machining and processes ensure consistent finish and high quality
• Bores are concentric to pitch line, minimizing run out

• Specification S... https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Martin_815A13B_Specification_Sheet.pdf