Bearing Size: 6019-ZZ
This 6309-ZZ ball bearing is a high-precision premium quality deep groove shielded 45x100x25 ball bearing made to ABEC 3 precision standards from AXIS
100R26 sprockets are bored to accept a R1 type taper bushing
240C45 Sprocket Dimensions
UCFX15-47 flange bearings are designed for circumstances where the bearing is mounted to a surface perpendicular to the shaft axis and poses great stability and rigidity due to the four mounting positions
2BK52 Pulley 7/8" Bore 4.5" Stock Bore Bearing Size: 6019-ZZThis 2BK52 Pulley 7 8" bore is directly interchangeable with other manufacturers v belt pulleys, it is 4. 95" 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 2BK52 pulley from the others is that it is made using a high grade 35 cast iron, is