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Rotary bearing QND1220.32Z7.CZ for 20 ton excavator

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Product Introduction

1. Single ball ball type slewing support is used for excavation; 2. Under the premise of ensuring safe use, the "lightweight, compact" design reduces costs; 3. Sulfurization treatment is applied to the "joint" of the sealing strip to reduce potential "major risks" with "low cost"; 4. Special equipment is used for gear chamfering to eliminate the impact of "inconsistency" on gear heat treatment; 5. Considering the characteristic of easy deformation, special treatment should be carried out in proc

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