2AK20 Pulley 5/8" Bore #160 Roller Chain Sprockets This 100BS12 sprocket features a

This 100BS12 sprocket features a 2-3/16" finished bore with a key-way and two set screws

Bearing Size: 5313-ZZ

the 6301 bearing features raceways that are precision honed to a superb finish

UCPX10-32 Bearing Dimensions

2AK20 Pulley 5/8" Bore #160 Roller Chain Sprockets This 100BS12 sprocket features aThis 2AK20 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 2. 00" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. Because it is a double pulley you can use a double banded A Series v belt, two single A Series v belts, or two single 3L Series v belts. What separates this double 2AK20 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated,