Good Heat Dissipation Performance: The Hollow Part Is Conducive To Air Circulation, Which Can Better Dissipate Heat When The Pulley Is Running, Reduce Heat Accumulation Caused By Friction, Thereby Improving The Service Life Of The Belt And Pulley, Reducing Belt Slippage, Aging And Other Problems Caused By Overheating, And Ensuring The Stability And Reliability Of The Transmission System.
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