Something that sets this 2040B19 sprocket apart from others is that it is Black Oxide Finished
Our UCTB202-10 bearings are manufactured to industry standard dimensions
Dimension (Bi): 4
UCFC206-20 Bearing Dimensions
Our HC212-38 insert bearing has several features: a wide inner-ring
2BK80 Pulley 1-1/8" Bore 10B Chain Sprockets Something that sets this 2040B19This 2BK80 Pulley 1 1 8" bore is directly interchangeable with other manufacturers v belt pulleys, it is 7. 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 2BK80 pulley from the others is that it is made using a high grade 35 cast iron, is