BK50 Pulley 3/4" Bore Iwis #40 SA1 Attachment Chain 100Q18 sprockets are bored to

100Q18 sprockets are bored to accept a Q1 type taper bushing

Part #: SBPF210-32

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20A Roller Chain Dimensions

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BK50 Pulley 3/4" Bore Iwis #40 SA1 Attachment Chain 100Q18 sprockets are bored toThis BK50 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 4. 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 BK50 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