Large slewing bearing 130.50.4500 three-row roller slewing ring
1.ISO9001:2000
2.Best engineer in China with 40 years experiences
3.Advanced processing CNC
4.Reliable design and manufacture
1. About the product
Three-row roller slewing ring has three seat-rings,which separating the upper,lower and radial raceways,via which the load of each row of the rollers maybe specified.It may bear different loads simultaneously and its load capacity is the largest one among the four models.Owing to large size of its aexl and radius,it is sturdy and especially suitable for heavy-duty machines which require large working diameter,such as bucketwheel excavators,wheeled cranes,deck cranes,port cranes,steel transporters,heavy-duty mobile cranes etc.
2. Pictures
a.slewing bearing used in generating equipment
b.slewing bearing used in wind power generation
c.slewing bearing used in tower crane
d.slewing bearing used in excavators
e.slewing bearing used in truck crane
f.slewingbearing used in harbor machinery
3. Chief engineer introduction
Mr.Zheng Xiangchen,graduated from Herbin Military Instrtute of Engineering in
1966.During his college time,
he took study in the School of Engineering Machinery School of majoring in
bearing,and participated in the designing and manufacturing of the first
turntable bearing in China in 1964.Over the years,Mr.Zheng has been engaged in
bearing designing and manufacturing.He used to be the chief scientist of giant
enterprises such as Wafangdian Bearing Gruop.The Φ5082mm Triple-row cylindrical
roller slewing bearing used in Qinhuangdao Port today was designed be him in
1995,which replaced the crossed roller slewing bearing imported from Japan.After
2000,Mr.Zheng designed and manufactured manu kinds of slewing bearings which
replace imported ones from oversea such as marine slewing bearing which load
carrving capacity over 9 million tom-meter,crossed cylindrical roller slewing
bearing used in Computer to mography.
4. Our factory
