Novel dustproof bearing wheel device

The utility model discloses a novel dustproof bearing wheel device which comprises a bearing wheel, an eccentric shaft, a bearing, a bearing wheel sealing cover and a bearing sealing cover, one end of the eccentric shaft is connected with a bearing mechanism of a door system, and the other end of the eccentric shaft is connected with the bearing; the bearing wheel sealing cover is connected with the bearing wheel; and the bearing sealing cover is connected with the bearing. Dust and impurities are prevented from falling into the bearing wheel device during long-term work, the service life is prolonged, and the safety of a door system is improved. 本实用新型公开了一种新型防尘承载轮装置，包括承载轮、偏心轴、轴承、承载轮密封盖与轴承密封盖，偏心轴一端与门系统的承载机构连接，偏心轴另一端与轴承连接；所述承载轮密封盖与承载轮连接；所述轴承密封盖与轴承连接。本实用新型避免承载轮装置在长周期工作中落入灰尘杂质，延长使用寿命，提高门系统的安全性。