This 3B110SK sheave features three grooves
the 5310-ZZ bearing features raceways that are precision honed to a superb finish
Our superior 08B K1 attachment connecting link is designed explicitly for metric 12
What sets this 5313 bearing apart from others is the ABEC 3 precision standard that this bearing is made to
Flat Top Style:
BK130 Pulley 1-7/16" Bore 100B18 Sprockets This 3B110SK sheave features threeThis BK130 Pulley 1 7 16" bore is directly interchangeable with other manufacturers, is 12. 75" 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 BK130 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