2BK45 Pulley 1" Bore 12B-4 Metric Roller Chain Our superior UCTB204 bearing with

Our superior UCTB204 bearing with a 20mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

This 1B56SDS sheave features one groove

Common Interchanges: 25B36H

While the phosphate coated and then painted finish adds corrosion resistance to the 10C80E sheave

Sprocket Size: 160B23

2BK45 Pulley 1" Bore 12B-4 Metric Roller Chain Our superior UCTB204 bearing withThis 2BK45 Pulley 1" 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