Our SB204-12 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand
Part #: UCP 206-17
100B10H sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
UCFBS204-12 bearing is a 3/4" bore three-bolt normal-duty flange bracket bearing that utilizes set screws to secure to a 3/4" shaft
2BK55 Pulley 1-3/8" Bore 10B Chain Sprockets Our SB204-12 bearing is madeThis 2BK55 Pulley 1 3 8" bore is directly interchangeable with other manufacturers v belt pulleys, it is 5. 25" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. double BK pulleys work with belt types A, 4L, B, 5L, AX, BX, AA, BB, double banded A, double banded B, and double banded BX cogged v belts. What separates this double 2BK55 pulley from the others is that it is made using a high grade 35 cast iron, is