Mining type Replacement Excavator top roller for Hitachi EX200-2 9066393 Heat Treatment

Hitachi EX200-2 Carrier Roller, High Temperature & Sand Resistant Top Roller, Dustproof Leak-Proof Undercarriage Parts, Heavy Duty OEM Spare Parts for Middle East Desert Mining & Construction, In Stock.

Premium sealing design, effective against sand and dust, no grease leakage.

High temperature resistant material, steady performance under intense heat.

Standard OEM size, easy installation, fully compatible with Hitachi EX200-2.

The Hitachi EX200-2 Carrier Roller is a high-strength excavator undercarriage component designed to support the upper track chain and ensure smooth crawler operation in demanding working environments. Built with premium alloy steel and advanced sealing technology, this heavy-duty top roller provides outstanding wear resistance, stable rotational performance, and long-lasting durability for construction and mining equipment.

Engineered specifically for Hitachi EX200-2 excavators, this upper roller assembly is widely used in quarry operations, infrastructure projects, mining applications, and heavy earthmoving work.

Core Product Features

Reinforced Heavy-load Structure

The roller body is designed with a strengthened internal structure to handle continuous heavy-duty crawler operation.

Superior Abrasion Resistance

Advanced heat treatment technology improves hardness and reduces wear under harsh working conditions.

Stable Upper Track Support

Maintains smooth upper track chain movement and improves overall excavator crawler system stability.

Reliable Floating Seal System

High-quality floating seals effectively protect internal components from oil leakage, dust, and mud contamination.

Precision Rotational Performance

CNC-machined components ensure balanced rotation and reduce operational vibration.

Long Operational Lifespan

Durable material selection and advanced production technology help minimize maintenance frequency.

Application Areas

This EX200-2 excavator top roller is suitable for:

• Mining machinery
• Quarry equipment
• Construction excavators
• Earthmoving operations
• Infrastructure projects
• Crawler undercarriage systems
• Heavy-duty excavation work

Manufacturing Technology

Our excavator carrier rollers are manufactured using advanced production processes:

Forged Steel Structure

Improves internal density and strengthens impact resistance.

CNC Precision Processing

Ensures accurate dimensions and stable installation compatibility.

Heat Treatment Hardening

Enhances wear resistance and operational durability.

Automatic Welding Technology

Improves product structural stability and reliability.

Sealing Inspection Process

Every roller undergoes strict oil leakage and sealing performance testing before shipment.

OEM & Custom Manufacturing Services

We support flexible OEM and customized production services including:

• OEM replacement manufacturing
• Customer logo engraving
• Custom dimensions
• Private label packaging
• Sample-based production
• Drawing-based manufacturing

We cooperate with machinery spare parts distributors and equipment dealers worldwide.

FAQ

What is the function of a carrier roller?

The carrier roller supports the upper section of the track chain and helps maintain stable crawler movement during excavator operation.

Why is wear resistance important for carrier rollers?

High wear resistance helps extend roller lifespan, reduce undercarriage maintenance costs, and improve operational reliability.

Do you provide OEM production?

Yes. We support OEM manufacturing according to customer samples, drawings, and technical specifications.

Can you supply complete undercarriage parts?

Yes. We provide a full range of excavator undercarriage spare parts for construction and mining machinery.

WhatsApp: +86 15260795951

Gmail: shellywang030801@gmail.com

www.bulldozerpart.com

Mining type, Replacement Excavator top roller, Heat Treatment, High Temperature & Sand Resistant, Heavy Duty