The term SP-30 generally refers to a heavy-duty Ball Transfer Unit designed for omnidirectional material handling, commonly used in conveyors, CNC staging, and assembly lines. It features a large 30 mm main support ball surrounded by smaller load-bearing balls, offering a typical load capacity of 250 to 300 kg. Model SP-30 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description Typical applications: Widely used in belt conveyors, fan drives, packaging
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