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Part #: 12B SK2
the 16B K2 attachment has a bent tab on both sides with two holes each for mounting
Bearing Insert: UC 210-32
Our superior UEF210-31 bearing with a 1-15/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up
2BK47H Pulley double-groove 4.45" OD Bearings Part #: 12B SK2This two groove 2BK47H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 4. 45" 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 2BK47H 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.
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