Wuxi Tianyuqi Bearing Technology Co., Ltd
                                                                                                           
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Since 1999
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Heavy Duty Slewing Ring Bearing for Excavator & Crane – Single Row Ball, Internal Gear, Factory Price

Price Negotiable
Price: negotiation
MOQ: 1(negotiation)
Delivery Time: 15days(as per order)
Brand: OEM, neutral/HRB/LYC/ZWZ/NSK/SKF/NTN/KOYO/FAG
Product Description
Slewing Ring Bearings

Our slewing ring bearing is designed for infrastructure, mining, and renewable energy projects worldwide.

Key Applications
  • For excavators and cranes: Direct replacement for Komatsu, Hitachi Kobelco. Available in single row ball, double row ball, internal gear, and external gear options.
  • For wind turbines and solar trackers: High precision cross roller design with corrosion-resistant coating suitable for humid and coastal environments.
  • For port and marine equipment: Heavy load capacity with IP66 sealing rating and 20+ year design life.
Technical Specifications
  • Inner diameter 200-5000mm, outer diameter 400-5500mm, height 50-300mm.
  • Material 50Mn or 42CrMo forged steel.
  • Heat treatment induction hardening HRC55-62.
  • Precision grade P0, P5, P6 available.
Logistics & Ordering
  • Packing includes anti-rust oil, plastic wrap, and wooden crate for sea freight.
  • MOQ 1 piece accepted.
Product Data Table
Current bearing designation Dimensions(mm) weigh (kg)
d D T
Type579



5797/900 900 1150 90 230
D5792/900 900 1150 90 227
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Wuxi Tianyuqi Bearing Technology Co., Ltd
Location A2699, Fengshang Cultural and Creative Center, Liangxi District, Wuxi, Jiangsu, China
Contact Person Lydia

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