08B33 sprockets with a stock bore comes with the standard 16 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
Our superior HCTB202 bearing with a 15mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
Sprocket Size: 06B38
This 140S60 sprocket is a durable
Bearing Size: 6308-2RS
2BK25 Pulley 1/2" Bore 08B Stainless Steel Hollow Pin Roller Chain 08B33 sprockets with a stockThis 2BK25 Pulley 1 2" bore is directly interchangeable with other manufacturers v belt pulleys, it is 2. 50" 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 2BK25 pulley from the others is that it is made using a high grade 35 cast iron, is