40B12 5/8" Finished Bore Sprocket (40BS12H-5/8)

40B12-5/8 Finished Bore Sprocket - 40BS12H 5/8"

Our 40BS12H sprocket is an ANSI standard size sprocket with a 5/8" 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): 5/8"
• Number Of Teeth: 12
• Pitch Diameter (dp): 1.932"
• Outside Diameter (de): 2.166"
• Sprocket Thickness (B1): 0.284" (Not including Hub)
• Hub Diameter (dm): 1-9/16"
• LTB - Length Thru Bore (A): 7/8"
• Keyway Size: 3/16" X 3/32"
• Hardened Teeth: Yes (HRC 38-42)
• Number Of Setscrews: 2
• Material: 1045CD (Cold Drawn)
• Type Of Finish: Black Oxide

Interchange Numbers:

• 40BS12 5/8
• 40BS12H 5/8