42CrMo High Strength Rotary Ring Swing Circle for PC1250 Excavator

42CrMo High Strength Rotary Ring Swing Circle for PC1250 Excavator. High Load Capacity: Forged from 42CrMo alloy steel with HRC 55-62 hardness to withstand axial, radial, and overturning loads. Precision Grades: Supports P5/P6 precision grades with runout controllable within 0.1 mm for synchronized transmission. Weather Resistance: Dacromet or zinc-plated coating with aging-resistant rubber seals prevents salt spray, humidity, and dust ingress. Smooth Operation: Precision-ground raceways and optimized cages ensure low starting torque and snag-free rotation. Customization Options: Full customization available including designs from samples, minor customization, and flexible customization. ISO 9001 Certified: Manufacturer holds ISO 9001:2008 and ISO 9001:2015 certifications for quality management. Versatile Applications: Suitable for excavators, cranes, wind turbines, robots, and medical CT scanners across global markets. Lifetime Support: Provides lifelong after-sales technical service and on-site surveying by professional engineering teams.