2BK30 Pulley 1/2" Bore C2060 Hollow Pin Roller Chain This 2B80SK sheave features two

This 2B80SK sheave features two grooves

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

Limiting Speed (Grease): 2000 RPM

Bearing Insert: HC 207-20

2BK30 Pulley 1/2" Bore C2060 Hollow Pin Roller Chain This 2B80SK sheave features twoThis 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