shipyard crane slewing bearing

Crane also is known as marine crane, is a large deck machinery on the ship. It is a kind of equipment for loading and unloading cargo on the ship. Hydraulic crane is a kind of equipment for loading and unloading cargo commonly used on the ship. 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 types of slewing bearing. Due to the large dimension and solid structure, it is especially suitable for heavy-duty machineries, such as port crane, ship crane, etc. At present, our company often provides four-point ball slewing bearing with inner teeth and double row ball slewing bearing with different ball diameters. Generally, we need to provide CCS, ABS, DNV and other classification societies certification. The other is the maintenance and replacement of slewing bearings for cranes on board ships, such as Mitsubishi crane, TSUJI and other brand cranes. The commonly repaired and replaced models are 013.50.2877 (figure number: ASB-A0057) 023.60.2890 (figure number: 12-MNR1394.87/53), 013.50.2875 (figure number: 62-MNR2850.87/53). This series of slewing bearings is one of our main competitive products.