2BK30 Pulley 1/2" Bore C2060 Hollow Pin Roller Chain and precision 42 tooth sprocket

and precision 42 tooth sprocket that is manufactured to accept a R1 bushing

This 2B80SK sheave features two grooves

Limiting Speed (Grease): 2000 RPM

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670 pounds with a tremendous dimensional-to-strength form factor of only 3

2BK30 Pulley 1/2" Bore C2060 Hollow Pin Roller Chain and precision 42 tooth sprocketThis 2BK30 Pulley 1 2" bore is directly interchangeable with other manufacturers v belt pulleys, it is 3. 15" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. double BK pulleys work with belt types A, 4L, B, 5L, AX, BX, AA, BB, double banded A, double banded B, and double banded BX cogged v belts. What separates this double 2BK30 pulley from the others is that it is made using a high grade 35 cast iron, is