21 Tooth 5/16" Bore 25 Pitch Roller Chain Sprocket 25BS21-5/16

25 PITCH ANSI ROLLER CHAIN SPROCKET
Brand new. ANSI standard 25 pitch roller chain sprocket. Bored to size. One-piece carbon steel forged construction with black oxide finish. Finished, unkeyed bore with two set screws. Set screws are located 90° apart.
SPECIFICATIONS

• Pitch 25
• Number of Teeth 21
• Bore Size 5/16"
• Model Number 25BS21-5/16
• Outside Diameter 1.81"
• Hub Diameter 1-3/8"
• Hub Type B (Hub on one side)
• Length Through Bore 5/8"
• Shpg. 0.5 lbs.