The BCHL20 is a hexagonal stainless steel screw-type ball or ball conveyor unit designed for omnidirectional upward movement, with an M20 thread size and a load capacity of up to approximately 412 N. Model BCHL20 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description BCHL20 (often referred to as C-BCHL20) is not a traditional rotary or linear ball bearing. It is often used in automated production lines, logistics conveying systems, or heavy-duty translation