SBRFB204-12 flange bearings are designed for circumstances where the bearing is mounted to a surface that is perpendicular to the shaft axis
6219-2RS Ball Bearing Dimensions
UCF205 bearing is a 25mm bore four-bolt normal-duty flange bearing that utilizes set screws to secure to a 25mm shaft
Sprocket Size: 100BS12
2BK32 Pulley 1" Bore 4 Bolt Flange Bearings SBRFB204-12 flange bearings are designedThis 2BK32 Pulley 1" bore is directly interchangeable with other manufacturers v belt pulleys, it is 3. 35" 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 2BK32 pulley from the others is that it is made using a high grade 35 cast iron, is