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High Load Bearing Capacity Track Roller and Superior Wear Resistance Bottom Roller with Double Flange for Excavator Undercarriage Parts

High Load Bearing Capacity Track Roller and Superior Wear Resistance Bottom Roller with Double Flange for Excavator Undercarriage Parts

High Load Bearing Capacity Track Roller

Superior Wear Resistance Bottom Roller

Double Flange Excavator Undercarriage Parts

Place of Origin:

Fujian, China

Brand Name:

STST PARTS

Certification:

CE、CNAS、COC、SGS、ISO

Model Number:

9168173

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Product Details
Product Name:
Track Roller / Bottom Roller
Structure Type:
Double Flange
Manufacturing Process:
Casting + Full Heat Treatment
Roller Shell Structural Integrity:
Designed For Stable Load Support
Running Surface Hardness:
Wear-Resistant Contact Surface
Radial Load Distribution:
Balanced Load Transfer Performance
Highlight:

High Load Bearing Capacity Track Roller

,

Superior Wear Resistance Bottom Roller

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Double Flange Excavator Undercarriage Parts

Payment & Shipping Terms
Minimum Order Quantity
2
Packaging Details
Export pallet packaging
Delivery Time
3-5 days
Payment Terms
T/T
Supply Ability
1500 MT/month
Product Description
Product Overview

The STST PARTS 9168173 Track Roller is a heavy-duty excavator undercarriage component engineered to support machine weight, maintain stable track movement, and withstand demanding ground conditions. Designed for crawler excavator applications, this track roller combines a robust roller structure with wear-resistant working surfaces to provide dependable undercarriage support during continuous operation.

Key Product Advantages
  1. High Load Bearing Capacity
  2. Superior Wear Resistance
  3. Heavy-Duty Structural Design
  4. Stable Track Guidance
  5. Impact-Resistant Performance
  6. Long Service Life
Quality & Manufacturing Considerations

A track roller operates under continuous loading and repeated ground impact. Critical manufacturing considerations include material quality, heat treatment, machining accuracy, sealing performance, and running-surface durability.

For heavy-duty applications, properly controlled surface hardness and hardened working areas can improve resistance to abrasive wear and deformation. Some published 9168173-compatible track roller specifications use forged alloy-steel construction and heat-treated roller surfaces for enhanced durability.

STST PARTS recommends confirming the required technical specification and application conditions before production or bulk purchasing.

Installation & Maintenance

For optimal performance, inspect the complete undercarriage system before installing a replacement track roller.

Recommended maintenance practices include:

  • Check track chain condition before installation.
  • Inspect the sprocket and front idler for abnormal wear.
  • Maintain appropriate track tension.
  • Remove accumulated soil, stones, and abrasive material around the undercarriage.
  • Check for unusual noise, vibration, oil leakage, or abnormal roller wear.
  • Inspect the roller and track chain periodically during heavy-duty operation.
  • Replace severely worn undercarriage components promptly to prevent accelerated wear of mating parts.

Proper track tension and regular undercarriage inspection are important for maintaining smooth track movement and minimizing unnecessary component wear.

Excavator undercarriage assembly showing track roller installation position and track chain alignment
Frequently Asked Questions
Which excavators use the 9168173 track roller?

9168173 is commonly referenced for selected Hitachi EX270-5, EX300-series, and EX330-5 excavator applications. Compatibility should be confirmed using the exact machine configuration and part number.

What are the main advantages of the 9168173 track roller?

The main advantages include high load-bearing capacity, superior wear resistance, heavy-duty structural strength, stable track guidance, impact resistance, and long service life.

How can I reduce premature track roller wear?

Maintaining correct track tension, keeping the undercarriage clean, inspecting the track chain and sprocket, and replacing worn mating components can help reduce abnormal roller wear and extend undercarriage service life.

Contact & Ordering

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