2BK45 Pulley 1-3/8" Bore 2BK40 Pulley For more information on a

For more information on a 2AK61H Pulley

Bore: 3/4"

This 10B31 sprocket is a durable

What sets this 5311 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

2BK45 Pulley 1-3/8" Bore 2BK40 Pulley For more information on aThis 2BK45 Pulley 1 3 8" bore is directly interchangeable with other manufacturers v belt pulleys, it is 4. 25" 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 2BK45 pulley from the others is that it is made using a high grade 35 cast iron, is