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bearing installed
The traditional elevator bearing roller and machine roller are arranged on two ends in the bearing seat, one due to small size, low life, two sets of roller shaft as the inner ring in the first expansion, the outer ring is bearing bolts with nowhere to bulge, easily damaged. The roller of the patented technology, get rid of all the ends of the bearing and the bearing seat, the bearings are directly installed in the roller, and the roller set, the empty string together together with water and fixed on the central shaft. In addition, the drive roller by a bevel gear to bevel gear, the roller has the following advantages: first, increase the bearing size, increase its bearing life 1.5 times, reduce the damage of the bearing; second, roller bearing outer ring with the expansion, while the inner ring and the fixed shaft on water contact bearing clearance will not become smaller bearing, is not easy to damage, not "locking"; third, to facilitate the realization of both ends of the transmission roller machine; fourth, there is no fault caused by bevel gear
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