The BCHA30 is a press-fit stainless steel ball roller (or ball transfer unit) primarily manufactured by MISUMI. It is designed for multi-directional material handling and conveying, featuring a main ball diameter of 19.05 mm, an outer diameter of 32 mm, and a load capacity of up to 330 N. Model BCHA30 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The BCHA30 is not a traditional deep groove ball bearing, but a stainless steel press-fit ball roller