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China factories

China factory - Quanzhou Zhanhong Machinery Co., Ltd

Quanzhou Zhanhong Machinery Co., Ltd

  • China,Quanzhou ,Fujian
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  3. Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator

  1. China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
  2. China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
  3. China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
  4. China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator
  5. China Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator

Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator

  1. MOQ： 1
  2. Price： Competitive price
  3. Get Latest Price
Payment Terms T/T
Delivery Time 15 days
Packaging Details wooden package
Supply Ability 13000 sets/month
Warranty 1 year
Model CAT320
Chassis Parts Bottom Roller
Condition 100% new
Function Support and guide the track chain
Brand Name WEK
Certification ISO9001
Place of Origin Fujian,China
Model Number R30 E304

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Delivery Time 15 days
Packaging Details wooden package Supply Ability 13000 sets/month
Warranty 1 year Model CAT320
Chassis Parts Bottom Roller Condition 100% new
Function Support and guide the track chain Brand Name WEK
Certification ISO9001 Place of Origin Fujian,China
Model Number R30 E304
High Light R30 undercarriage track roller ，E304 undercarriage track roller ，E304 track roller excavator

Aftermarket E304 Track Roller – Cost-Effective Solution for Crawler Excavator Maintenance 266-8793


1. Product Information

Material

50Mn/40SiMnTi

Finish

Smooth

Colors

Black or yellow

Technique

Forging casting

Surface Hardness

HRC50-56,deepth:4mm-10mm

Warranty time

2000 hour

Certification

ISO9001-9002

FOB Price

FOB Xiamen USD 20-250/Piece

MOQ

$5000

Delivery Time

Within 30 days after contract established

2. Design / Structure / Details Pics

Undercarriage Track Roller for Excavator Bulldozer Undercarriage Track Roller for Excavator Bulldozer Undercarriage Track Roller for Excavator Bulldozer


Advantages / Features:

1. through quench-tempering processes to guarantee excellent mechanical properties,high strength and superior wear resistence to bending and breakage.
2. surface hardness HBN460 for reduced wear and longer life, adding value to your products further to your business by maximizing durability of your products.266-8793
3. precise design, carefully manufactured for proper fix easy grousering
heavy loaded capacity up to 50tons without compromising proper functioning of the excavators
reliable quality, high cost performance,quality services.Our products,your best choice.

How to evaluate the mass of an E304 track roller:
1. Material & Manufacturing Inspection
Steel Grade Verification
Check if the roller uses high-grade alloy steel (e.g., 40Mn2/50Mn) through material certificates or spectrometer analysis.
Heat Treatment Marks
Look for uniform surface hardening (HRC 50-55 Rockwell hardness) via hardness tester.
Casting Quality
Inspect for cracks/porosity using magnetic particle testing (MPI) or dye penetrant.
2. Dimensional Precision
Tolerance Check
Measure critical dimensions (ID/OD, flange height) with calipers:
Inner Diameter: ±0.05mm
Flange Thickness: ±0.1mm
Runout Test
Use dial indicator to verify axial runout < 0.3mm.
3. Seal & Lubrication System
Lip Seal Integrity
Confirm triple-lip seal design with nitrile rubber (NBR) material.
Grease Retention
Disassemble sample unit to check grease cavity fill rate (>85%).
Anti-Clog Design
Verify labyrinth-style dust exclusion grooves.
4. Performance Testing
Load Capacity
Conduct dynamic load test (≥15,000 hours @ 20-ton excavator load).
Rotation Smoothness
Manual spin test should show >5 full rotations with minimal friction.
Corrosion Resistance
Salt spray test (ASTM B117) should show no rust within 72 hours.
5. Certification & Brand Markers
OEM Compatibility
Check for compatibility stamps (e.g., CAT® 320D, Komatsu PC200).
ISO Certification
Require ISO 9001/TS16949 certification documentation.
Laser Marking
Authentic parts show permanent laser-etched "E304" ID code.
266-8793,E304 Track Roller,Crawler Excavator E304 Track Roller,Excavator Track Roller E304,Crawler Excavator 266-8793

Whatsapp:+8615669210001

Wechat:+86 15669210001

Email:zhanghong@carrierrollers.com

https://www.carrierrollers.com



Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2019

  • Total Annual:

    100-200

  • Employee Number:

    20~50

  • Ecer Certification：

    Verified Supplier

We are a manufacturer specializing in the production of small excavator accessories. We aim to offer our customers a variety of the latestundercarriage spare parts for every new launchedconstruction machine equipment and also fordiscontinued model as well. We've come a long way, sowe know exa... We are a manufacturer specializing in the production of small excavator accessories. We aim to offer our customers a variety of the latestundercarriage spare parts for every new launchedconstruction machine equipment and also fordiscontinued model as well. We've come a long way, sowe know exa...

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Get in touch with us

  • Reach Us
  • Quanzhou Zhanhong Machinery Co., Ltd
  • Room 403, Building A, LingSHOW World, No. 112, Citong Road, Fengze District, Quanzhou City, Fujian Province
  • https://www.carrierrollers.com/

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