QL-20 Specifications: *Model Number: QL-20 *Diameter: 8" *Width: 1.5" *Number of Rollers: 36 *Number of Bearings: 72 *Hub Material: Aluminum *Roller Material: Rubber *Hole size: 0.47" *Mount: 4*4mm Key *Weight: 2.1Pounds *Load Capacity: 66Pounds QL series omni wheel description: 1.90-degree precise light load omni wheel . there are 2 ball bearings in every driven wheel . 2.It is aimed to supply products with high precise and high quality to satisfy customers’ various applications . 3.QL series omni wheel has achieved zero clearance in axial direction of driven wheel with steady improvement, particularly suitable for different small robots.
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