2BK34H Pulley double-groove 3.55" OD 4" Stock Bore Something that sets this 2082B19

Something that sets this 2082B19 sprocket apart from others is that it is Black Oxide Finished

What sets this 6207-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Bearing Insert: HC 207-21

Dimension (L): 1-29/32"

While the phosphate coated and then painted finish adds corrosion resistance to the 13V235JA sheave

2BK34H Pulley double-groove 3.55" OD 4" Stock Bore Something that sets this 2082B19This two groove 2BK34H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 3. 55" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, BB, and banded belts. What separates this 2BK34H 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.