The SP-8 bearing is a heavy-duty, omnidirectional ball transfer unit featuring an 8mm diameter main ball. It supports loads of 8kg to 15kg and is commonly used in conveyors, workstations, and DIY projects for smooth, multi-directional material movement Model SP-8 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The SP-8 typically refers to a heavy-duty ball transfer unit primarily used in logistics conveyor systems, material handling, and flexible