excavator lower roller
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Sumitomo Complete Undercarriage SH350 Lower Roller
Sumitomo Complete Undercarriage SH350 Lower Roller 1. Single and double-flange LOWER roller suits for excavating machine and special machinery ranging 3 to 50 tons. 2. Double conical sealing and lifelong lubrication designing enable the track roller to have longer service life and perfect performance in any circumstances. 3. The shell made by hot forging treatment obtains superior structure of internal materials and fiber 4. Differential quenching or feed-through quenching heat treatment is effective in crack resistance.
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