YNF16980 slewing bearing 4423-43000-0 D410366, excavator swing bearing OD462 ID289.5 H46 replacement part.
OEM reference: 4423-43000-0 / D410366
Dimensions: OD462 × ID289.5 × H46 with (18+2)+22 bolt holes
Ensures stable 360° rotation of excavator upper structure
Precision raceway machining for smooth operation
Built with high-strength alloy steel for durability
The YNF16980 slewing bearing (4423-43000-0 / D410366) is a key component of the excavator swing system, allowing the upper structure to rotate smoothly 360° while maintaining stability during digging, lifting, and loading operations.
With a diameter specification of OD462 × ID289.5 × H46 and (18+2)+22 mounting holes, this swing bearing provides precise fitting and secure installation. It is manufactured with high-quality alloy steel and treated for wear resistance and high load endurance, making it suitable for demanding construction and mining applications.
Replacing a worn swing bearing with the YNF16980 restores excavator precision, reduces abnormal vibration, and prevents costly downtime. YNF aftermarket bearings are trusted worldwide by distributors, fleet owners, and workshops for their OEM-level reliability and cost-efficiency.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF16980 |
| OEM Part Numbers | 4423-43000-0 / D410366 |
| Product Type | Excavator Slewing Bearing / Swing Bearing |
| Outer Diameter (OD) | 462 mm |
| Inner Diameter (ID) | 289.5 mm |
| Height (H) | 46 mm |
| Mounting Holes | (18+2)+22 |
| Function | Provides smooth rotation of excavator upper structure |
| Material | High-strength alloy steel |
| Resistance | Heavy load, wear, and high impact |
| Country of Origin | China |
| Aftermarket Brand | YNF |
| MOQ | 1 Piece |
| Shipping Method | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Excavator Swing System | Enables smooth 360° rotation of the upper structure |
| Heavy Equipment Operation | Maintains stability during excavation and lifting tasks |
| Preventive Maintenance | Replaces worn bearings to reduce downtime and costs |
| Global Distribution | Widely supplied to workshops, contractors, and dealers |
Related Products:
Excavator Slewing Bearings (various sizes)
Swing Gear & Swing Motor Spare Parts
Hydraulic Pump & Travel Motor Repair Kits
FAQs:
Q: What are the dimensions of this slewing bearing?
A: OD462 × ID289.5 × H46 with (18+2)+22 bolt holes.
Q: What is the main function of this part?
A: It ensures smooth 360° rotation of the excavator’s upper frame.
Q: Why choose YNF slewing bearings?
A: They offer precision machining, long service life, and OEM-equivalent quality.
YNF16980 slewing bearing (4423-43000-0 / D410366) provides a reliable aftermarket replacement for excavator swing systems. Featuring high-strength alloy steel, precision-machined raceways, and accurate bolt-hole configuration, it ensures long-lasting durability and stable performance under heavy loads. YNF bearings deliver OEM-level quality at competitive prices, making them the preferred choice for excavator parts distributors and maintenance professionals.
