... Material : 50Mn , 42CrMo Focus on Customers Tower Crane roller slewing bearing OD :1298MMID :998MMHeight :82MMNet Weight ... Types : Outer GearApplication : Printing Machinery and Tower CraneIn addtion , we can offer the following cross ... 4000, 111.50.4500, 112.50.4500 Internal toothed 113.25.500, 114.25.500, ... 4500, 114.50.4500 Printing Machinery and Tower Crane roller slewing bearing (111.28.1120 ) ...