XCMG Mobile Crane Slewing Bearing | Heavy Duty Rotation Ring Assembly
Parameter Specification Material Composition 42CrMo4 Alloy Steel (Hardness 55-60 HRC) Load Capacity Static 3500 kN??m / Dynamic 1800 kN??m Gear Accuracy DIN 6 Grade (ISO 1328-1 Standard) Seal Type Double-Lip NBR Seals (IP67 Protection) Mounting Holes 72??M20 Threaded (ISO 4017 Standard) Lubrication Centralized Grease Injection System Compatible Models QY25K5-I, QY50KA, XCA130L7 Certification CE/ISO9001:2015