The BCHA7.5 is a press-fit, universal ball transfer unit (often referred to as a "bullseye bearing") designed for omnidirectional movement, feeding systems, and light-load conveying. Model BCHA7.5 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The BCHA7.5 is a press-fit swivel ball bearing (often referred to as a bullseye wheel or swivel ball transfer unit). It is widely used in logistics conveying systems and precision positioning equipment. Company