Our superior UEFT207-21 bearing with a 1-5/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
which insures proper contact between the #140 roller chain and sprocket thus preventing premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets
This 5305-ZZ Bearing is a high-precision premium shielded double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS
the 5214 bearing features raceways that are precision honed to a superb finish
Pitch Diameter (B/ 5L): 18
2BK50 Pulley 1" Bore 2525 Taper Lock Bushings Our superior UEFT207-21 bearing withThis 2BK50 Pulley 1" bore is directly interchangeable with other manufacturers v belt pulleys, it is 4. 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 2BK50 pulley from the others is that it is made using a high grade 35 cast iron, is