40B20 1-1/4" Finished Bore Sprocket (40BS20H-1-1/4)

40BS20 1-1/4" Sprocket Description

Our 40BS20H sprocket is an ANSI standard sprocket with a 1-1/4" finished bore that has a keyway & 2 setscrews. 40BS20 sprockets are a 20 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.

40BS20 1-1/4" Sprocket Dimensions:

• Fits ANSI Chain Size:#40
• Bore (D1):1-1/4"
• Number Of Teeth:20
• Pitch Diameter (dp):3.196"
• Outside Diameter (de):3.457"
• Sprocket Thickness (B1):0.284"
• Hub Diameter (dm):2-5/8"
• LTB - Length Thru Bore (A):1"
• Keyway Size:1/4" X 1/8"
• Hardened Teeth:Yes (HRC 40-50)
• Number Of Setscrews:2
• Material:1045CD (Cold Drawn)
• Type Of Finish:Black Oxide

Interchange Numbers:

• 40BS20 1-1/4
• 40BS20H 1-1/4