What sets this 6319-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to
Bearing Insert: HC 209-27
This 13V412SH Sheave uses an SH bushing
This 40X54 sprocket is a high-quality
BK62 Pulley 1/2" Bore 5.375" Stock Bore What sets this 6319-ZZ bearingThis BK62 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 5. 95" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK62 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast iron offers a higher tensile