the 6219-2RS bearing features raceways that are precision honed to a superb finish
Part #: UCP 209-27
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UCFBS205-16 Bearing Dimensions
This 1B5V74 Sheave uses a B bushing
2BK34 Pulley 3/4" Bore 35-Tooth Sprocket the 6219-2RS bearing features racewaysThis 2BK34 Pulley 3 4" bore is directly interchangeable with other manufacturers v belt pulleys, it is 3. 55" 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 2BK34 pulley from the others is that it is made using a high grade 35 cast iron, is