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Number of teeth: 30Outer diameter (mm): 257Shaft hole diameter (mm): 70Chain NO: 80Pitch (mm): 25.4Inner width (mm): 15.88Roller outer diameter (mm): 15.88Tooth width (mm): 15Pitch diameter (MM):242.996 boss直径(mm):93 boss长度(mm):45 键groove(mm):20x4.9
不锈钢SUS304
7.4kg
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