40B25 7/8" Finished Bore Sprocket (40BS25H-7/8)

40BS25 7/8" Sprocket Description

Our 40BS25H sprocket is an ANSI standard sprocket with a 7/8" finished bore that has a keyway & 2 setscrews. 40BS25 sprockets are a 25 tooth sprocket that works with ANSI #40 roller chain. These sprockets are manufactured from 1045CD carbon steel material. The sprocket teeth are hardened for increased wear resistance.

40BS25 7/8" Sprocket Dimensions:

• Fits ANSI Chain Size:#40
• Bore (D1):7/8"
• Number Of Teeth:25
• Pitch Diameter (dp):3.989"
• Outside Diameter (de):4.258"
• Sprocket Thickness (B1):0.284"
• Hub Diameter (dm):3-1/4"
• LTB - Length Thru Bore (A):1"
• Keyway Size:3/16" X 3/32"
• Hardened Teeth:Yes (HRC 40-50)
• Number Of Setscrews:2
• Material:1045CD (Cold Drawn)
• Type Of Finish:Black Oxide

Interchange Numbers:

• 40BS25 7/8
• 40BS25H 7/8