Arm Cylinder 31Y1-30120 31Y1-28631 Boom Cylinder 31NA-60111 for R290LC-9 R210LC-9 R360LC-7 Excavator
The 9292427 9292425 are part numbers of the arm, 31NA-60111 is part number of the boom hydraulic cylinders respectively for the R290LC-9 R210LC-9 R360LC-7 Excavator.
Specification
| Item Name | Hydraulic Arm , Boom Cylinder | P/N | 31Y1-30120 31Y1-28631 31NA-60111 |
| Model Number | R290LC-9 R210LC-9 R360LC-7 | Warranty | 1 Year |
| Usage | Excavator | Seal Material | NOK/SKF |
| Category | Double Acting | Main Material | 25 Mn Steel |
Construction Material:
Piston Rod: Crafted from 40Cr steel, heat - treated via hardening and tempering, then hard chrome - plated and mirror - polished. This boosts surface hardness, wear resistance, reduces friction, and ensures smooth, long - lasting operation.
Cylinder Barrel: Made of 25Mn steel, tempered to avoid deformation. It has a higher bearing capacity than common C45 or C20 steel, ensuring durability under high - pressure hydraulic forces.
Barrel/Rod End & Head: Forged from high - strength steel, these parts offer superior strength and toughness to endure operational stress and shock.
Seal Kits: Premium seal kits from renowned brands like NOK or SKF prevent hydraulic fluid leaks, maintain system pressure, and optimize cylinder performance.
Company Information
With over 16 years of experience in hydraulic cylinder manufacturing, GLPARTS has exported products to more than 100 countries worldwide, including the United States, Germany, Australia, and the Middle East. Backed by a skilled team of engineers and a responsive sales force, we provide comprehensive support—before, during, and after the sale—to ensure your satisfaction every step of the way.
Why Choose Us
OEM/ODM Capabilities
Competitive Pricing & Bulk Discounts
Fast Shipping & Customs Clearance Support
Other Products
Final Drive / Travel Motor
Swing Motor & Swing Gearbox
Hydraulic Pump
Control Valves
Engine Parts
Seal Kits
Undercarriage Parts
Electric Parts
Cab & Body Components
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Arm Cylinder 31Y1-30120 31Y1-28631 Boom Cylinder 31NA-60111 for R290LC-9 R210LC-9 R360LC-7 Excavator Images
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