The BCHL12 is a hex head stud-type ball roller or ball transfer unit manufactured by MISUMI, featuring an M12 thread size designed for omni-directional material handling and item transfer. Model BCHL12 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description BCHL12 is not a traditional rolling bearing. It is often used in conveyor lines, workbenches, and tooling fixtures for smooth translation or rotation of materials in multiple directions without dead angles