The SP-22 is a heavy-duty, omni-directional ball transfer unit designed for smooth, 360-degree movement in industrial conveyor systems, assembly lines, and material handling. It features a 22mm main steel ball and typically supports dynamic loads ranging from 140kg to 160kg. Model SP-22 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The term SP-22 bearing most commonly refers to an SP-22 Ball Transfer Unit, though it can also specify a standalone
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