SER210-30 bearing is a normal-duty ball bearing insert with a snap ring made to C3 precision standards and utilizes set-screws to secure to a 1-7/8" shaft
This 6020-2RS ball bearing is a high-precision premium quality sealed deep groove 100x150x24 ball bearing made to ABEC 3 precision standards from AXIS
the R16-ZZ bearing features raceways that are precision honed to a superb finish
For more information on a ten groove 10C440M sheave
2BK120 Pulley 1" Bore Rudd Tree Marking Paint SER210-30 bearing is a normal-dutyThis 2BK120 Pulley 1" bore is directly interchangeable with other manufacturers v belt pulleys, it is 11. 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 2BK120 pulley from the others is that it is made using a high grade 35 cast iron, is