... label offered Material : 50Mn , 42CrMo Focus on Customers Tower Crane roller slewing bearing OD :1298MMID :998MMHeight :82MMNet Weight : ... Material : 50MnGear Types : Outer GearApplication : Printing Machinery and Tower CraneIn addtion , we can offer the following cross roller slewing ... 113.50.4500, 114.50.4500 Printing Machinery and Tower Crane roller slewing bearing (111.28.1120 ) with outer ...