Excavator Slewing Bearing 1. Product Structure: Single-row four-point contact ball type, double-row different-diameter ball type, triple-row roller type, dust- and mud-resistant. 2. Size Range: Inner Diameter: 500mm-5000mm, Outer Diameter: 600mm-5500mm, Height: 100mm-500mm, with oversized sizes available for special customization. 3. Materials: Base material: 42CrMo, 50Mn special alloy steel Rolling elements: GCr15SiMn high-purity bearing steel Cage: Brass, steel, or engineering plastic Seal material: Imported nitrile rubber or fluororubber 4. Accuracy: ABEC3-5-7-9 5. Product type: Four Point Contact 6. Core advantages: Exceptional Durability and Extended Service Life 7. Certification: ISO/CE/ROHS 8. Applications: Mini excavators, small and medium-sized excavators, large excavators, ultra-large excavators, and special excavators 9.We mainly supply excavator slewing bearings matching the following machine brands: Carter, Komatsu, Liebherr, Volvo, Hitachi, Doosan, Jezebel, Sumitomo, Sany, LiuGong, Hyundai, Kubota, etc. https://www.hgbearings.com/slewing-bearing/excavator-slewing-bearing