Generally including portal crane, ship unloader, floating crane, etc., commonly used single row four-point ball slewing ring bearing, three rows roller slewing bearing and double row ball slewing ring bearing. These are our regular products, but also our company’s main advantage products.
Among them, Three row roller slewing bearing is the most commonly used one.Three row roller slewing bearing can bear different loads simultaneously. The capacity load is the largest one comparing with other type slewing bearing. Due to the large dimension and solid structure, it is especially suitable for heavy-duty machinery, such as port crane,ship crane, etc.