This 128V3550P Sheave uses a P bushing
Inner Width (B1): 17
Our superior SARFB205-15 bearing with a 15/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
Additionally this bushing features a 1-1/4" bore with a standard keyway
2BK160 Pulley 1-7/16" Bore J This 128V3550P Sheave uses aThis 2BK160 Pulley 1 7 16" bore is directly interchangeable with other manufacturers v belt pulleys, it is 15. 75" 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 2BK160 pulley from the others is that it is made using a high grade 35 cast iron,