2BK57 Pulley 1-1/8" Bore Metric Roller Chain Sprockets What sets this 6022-ZZ bearing

What sets this 6022-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Average Ultimate Strength: 209

Housing Number: ST 209-26

UCFX09-28 bearings are commonly used in applications such as

2BK57 Pulley 1-1/8" Bore Metric Roller Chain Sprockets What sets this 6022-ZZ bearingThis 2BK57 Pulley 1 1 8" bore is directly interchangeable with other manufacturers v belt pulleys, it is 5. 45" 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 2BK57 pulley from the others is that it is made using a high grade 35 cast iron, is