XCMG XE490D Excavator Slewing Bearing Swing Circle 50Mn Alloy Steel Material
XCMG XE490D slewing bearing, heavy-duty swing circle for XCMG XE490D excavator. 50Mn alloy steel with forging and heat treatment, OEM direct replacement for mining and construction works.
Our XCMG XE490D slewing bearing is a robust XE490D swing circle and premium XCMG excavator slewing bearing. As a reliable heavy-duty swing bearing, precision XE490D turntable bearing, dedicated XCMG XE490D swing bearing and long-lasting excavator slewing ring, it acts as the core rotating component for XCMG XE490D excavators. Engineered to endure heavy axial, radial and tilting loads, this swing circle delivers smooth full-circle rotation and stable performance, ideal for heavy excavation, mining and general construction operations.
Fabricated from high-grade 50Mn alloy steel, the bearing undergoes full forging and multi-stage precision heat treatment to achieve balanced hardness and toughness. Its finely machined raceways and premium rolling elements ensure low friction, consistent rotation and excellent wear resistance. Fitted with multi-layer NBR seals, it effectively blocks dust, mud and water ingress to protect internal parts in harsh working environments. Manufactured in strict accordance with OEM specifications, it matches all mounting dimensions perfectly and supports straightforward bolt-on installation with no alterations needed. It helps cut equipment downtime, lower maintenance costs and keep your XCMG XE490D excavator running at peak efficiency.
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100% OEM Fit
This XCMG XE490D slewing bearing conforms to original factory dimensions, enabling quick and trouble-free installation.
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High-Strength Alloy Material
Built with 50Mn alloy steel, this XE490D swing circle boasts outstanding structural strength and load-bearing capacity.
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Forging & Heat Treatment
Integrated forging and professional thermal processing greatly enhance durability and impact resistance for heavy-duty applications.
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Reliable Multi-Layer Sealing
Durable NBR seals shield the XCMG excavator slewing bearing from dirt, water and debris on rugged job sites.
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Smooth & Steady Rotation
Precisely processed raceways ensure low-friction 360° rotation for consistent working performance.
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Extended Service Life
As a premium heavy-duty swing bearing, it resists wear and deformation to avoid premature failure.
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Cost-Effective Replacement
Direct OEM replacement minimizes downtime and reduces long-term maintenance expenditure.
| Item | Content |
|---|---|
| Product Name | Slewing Bearing / Swing Circle / Turntable Bearing |
| Compatible Model | XCMG XE490D Excavator |
| Material | 50Mn Alloy Steel |
| Processing | Integral Forging + Multi-Stage Quenching & Tempering |
| Hardness | HRC 58-62 |
| Structure | Single-row four-point contact ball / Cross roller |
| Sealing Type | Multi-layer NBR Rubber Seals |
| Load Type | Axial load, Radial load, Tilting moment |
| Application | Heavy excavation, Mining, Quarrying, Construction |
| Installation | Direct OEM bolt-on replacement |
| Condition | Brand New |
Q1: Which excavator model is this slewing bearing compatible with?
A1: This XCMG XE490D slewing bearing is a dedicated XE490D swing circle and standard XCMG excavator slewing bearing, specially designed for XCMG XE490D excavators.
Q2: What material is this swing bearing made from?
A2: It is manufactured from high-quality 50Mn alloy steel, processed by integral forging and heat treatment for superior strength and service life.
Q3: Can it be installed to replace the original part directly?
A3: Yes. This XE490D turntable bearing is produced to full OEM standards. All dimensions and mounting holes match the original component, allowing bolt-on installation without any modification.
Q4: What working environments is this slewing bearing suitable for?
A4: This XCMG XE490D swing bearing performs reliably in heavy excavation, mining, quarrying and construction sites with heavy loads, dust and mud.
Q5: How to maintain the slewing bearing to extend its service life?
A5: Apply high-temperature grease regularly, inspect seal performance routinely, avoid overloading and sudden impact loads, and keep the mounting surface clean.
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