Pu castor must pay attention to these points

Plane bearing: applicable to high, high load and high speed. Loose pu castor wheels or jammed also can cause 'smooth', the appropriate maintenance inspection, especially check bolt tightness, lubricating oil, to replace the damaged rolling performance and rotary motion of the pu castor can enhance flexibility. Central axis: castor swing gap is big, small load, suitable for some of the smaller handicrafts. / news_151。