INDUSTRY COMPONENT

Track Roller

A cylindrical component in crawler tracks that supports weight and facilitates smooth movement over terrain.

Component Specifications

Definition
A track roller is a precision-engineered cylindrical component integral to crawler track systems, designed to bear substantial loads while enabling the continuous rotation of the track chain. It interfaces with the track links and bushings, distributing operational stresses and minimizing friction to ensure efficient power transmission and mobility across uneven surfaces.
Working Principle
The track roller operates by rotating on its axis as the crawler track moves, supported by internal bearings. It rolls along the inner surface of the track chain, reducing sliding friction, supporting the machine's weight, and maintaining track tension and alignment for stable propulsion.
Materials
Typically forged or cast alloy steel (e.g., AISI 4140, 4340) with surface hardening (hardness 55-60 HRC). Seals and bearings are often made of synthetic rubber (NBR, FKM) and high-grade steel.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Width50-150 mm
Seal TypeMulti-labyrinth or lip seals
Bearing TypeTapered roller or spherical roller bearings
Load Capacity5-50 tons per roller
Outer Diameter150-400 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 5687, DIN 740

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Premature wear due to abrasive environments
  • Bearing failure from contamination or inadequate lubrication
  • Misalignment causing uneven track wear
FMEA Triads
Trigger: Ingress of dirt or moisture due to seal failure
Failure: Bearing corrosion and seizure, leading to roller lock-up
Mitigation: Use high-quality multi-labyrinth seals, implement regular seal inspections, and ensure proper lubrication intervals.
Trigger: Excessive load or impact shocks
Failure: Cracking or deformation of the roller body
Mitigation: Design with alloy steel and hardening treatments, adhere to load capacity limits, and operate within specified terrain conditions.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Dimensional tolerances per ISO 286, surface finish Ra ≤ 3.2 μm
Test Method
Load testing per ISO 5687, hardness testing per ASTM E18, seal integrity testing under simulated conditions

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Track Roller

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

CLIK Tracks Manufacturing (Jiangsu) Ltd.
Shanghai, CN
Also makes: Track Chain
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller”
View source page ↗ cliktracks.com · checked 2026-09-16
CQC Track
Quanzhou, Fujian, CN
Also makes: Undercarriage
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Excavator Track Roller”
View source page ↗ cqctrack.com · checked 2026-09-16
Hangzhou XC Machinery Co,.ltd.
Hangzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track roller”
View source page ↗ xcgparts.com · checked 2026-09-06
Luoyang Monton Bearing Science & Technology Co., Ltd.
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller bearings”
View source page ↗ montonbearings.com · checked 2026-08-31
Mitnik Machine Parts
Xiamen, Fujian, CN
Also makes: Track Chain
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “SF Track Roller”
View source page ↗ mitnikparts.com · checked 2026-09-13
Motion (Shanghai) Industrial Development Co.,Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Studded Track Roller”
View source page ↗ motion-bearing.com · checked 2026-09-05
NEWORLD
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Rollers”
View source page ↗ neworld-bearing.com · checked 2026-09-01
Quanzhou Huamao Machinery Equipment Co.,Ltd
Quanzhou, Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller”
View source page ↗ cnkmf.com · checked 2026-09-09
Quanzhou Zhongkai Machinery
Quanzhou, Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller Caps”
View source page ↗ zkucparts.com · checked 2026-09-16
Tianjin Tsk Mechanical Equipment Co., Ltd.
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “track roller”
View source page ↗ tskchina.com · checked 2026-09-09
VAFEM (Shang Hai) Bearing Technology Co.,Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller Bearings”
View source page ↗ vafem.com · checked 2026-09-04
Xiamen Doolin Construction Machinery Co., Ltd.
Xiamen, Fujian, CN
Also makes: Undercarriage, Loader Bucket, Wheel Loader and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Track Roller”
View source page ↗ doolincm.com · checked 2026-09-16

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the primary function of a track roller?

The primary function is to support the weight of the machinery, reduce friction between the track chain and undercarriage, and ensure smooth, efficient movement over various terrains.

How often should track rollers be inspected?

Inspect track rollers every 250-500 operating hours for wear, seal damage, and lubrication levels, with more frequent checks in harsh conditions like mining or construction.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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