du bush, lead free bearing, textile machine bearing
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pvb-20S is similar to foreign made DS bush, and may be operated without lubricant or under a trace of oil. It is of low friction, anticorrosion and is of long life. This is now applied in machines under oscillating motion and in open field or in corrosive environment such as hoisters, bulldogger, tower cranes, and printing or dyeing machines for textiles.
17Excellent wear resistance and low friction
27High load capacity
37Air erosion proof under the status of boundary lubrication and lubrication
47Suited for the intermittent performance with frequent open or close operation