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Slewing Bearings: The Core Component for 360° Rotating Machinery
Single row slewing bearing units are essential for any machine requiring 360-degree rotation under load. At Henan Sankuang Machinery Technology Co., Ltd., we manufacture high-quality heavy duty slewing ring products that deliver reliable performance for cranes, excavators, wind turbines, and mining equipment.
Our custom slewing drive bearing solutions are available in four main types: single-row four-point contact ball, double-row ball, cross-roller, and three-row roller. Each type is engineered for specific load conditions — from light-duty positioning to ultra-heavy mining and construction applications.
Slewing bearing specifications:
✅ Outer diameter range: 200mm – 5,000mm
✅ Types: 01 series (single-row ball), 02 series (double-row), 11 series (cross-roller), 13 series (three-row roller)
✅ Materials: 50Mn, 42CrMo, GCr15SiMn
✅ Gear options: internal gear, external gear, gearless
✅ Sealing: double-lip NBR seals for dust and water protection
All our slewing bearings undergo rigorous testing — including raceway hardness testing, gear accuracy inspection, and axial/radial runout measurement — to ensure long service life even in harsh operating environments.
Whether you need a standard replacement slewing ring or a fully custom design for special equipment, Henan Sankuang has the engineering expertise and manufacturing capacity to deliver. Our products are trusted by machinery manufacturers and mining operators across Russia, Brazil, and Southeast Asia.
Send us your slewing bearing specifications or drawings for a prompt quotation.
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