40B12 3/4" Finished Bore Sprocket (40BS12H-3/4)

40BS12 3/4" Sprocket Description

Our 40BS12H sprocket is an ANSI standard size sprocket with a 3/4" finished bore - includes keyway & 2 setscrews. This 11 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B12 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40BS12 Sprocket Dimensions:

• Fits ANSI Chain Size:#40
• Bore (D1):3/4"
• Number Of Teeth:12
• Pitch Diameter (dp):1.932"
• Outside Diameter (de):2.166"
• Sprocket Thickness (B1):0.284"
• Hub Diameter (dm):1-9/16"
• LTB - Length Thru Bore (A):7/8"
• 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:

• 40BS12 3/4
• 40BS12H 3/4