INDUSTRY COMPONENT

Road Wheels

Road wheels are load-bearing components in crawler track systems that support vehicle weight and facilitate smooth track movement over terrain.

Component Specifications

Definition
Road wheels are cylindrical rotating components mounted on the suspension system of tracked vehicles, positioned between the drive sprocket and idler wheel. They distribute vehicle weight across the crawler track, maintain proper track tension, and provide rolling contact that reduces friction between the track and suspension components. These wheels are critical for transferring vertical loads to the ground while allowing the track to move freely during operation.
Working Principle
Road wheels operate on the principle of rolling contact mechanics. As the crawler track moves over the wheels, they rotate on bearings or bushings, converting sliding friction into rolling friction. This reduces energy loss and wear while distributing compressive loads through their circular geometry. The wheels maintain continuous contact with the track's inner surface, supporting vehicle weight and guiding track alignment through their precise positioning along the suspension system.
Materials
High-strength alloy steel (typically 4140 or 4340 grade), hardened to 45-55 HRC for wear resistance. Alternative materials include forged carbon steel with surface hardening treatments or specialized polymer composites for lightweight applications. Bearing surfaces often incorporate bronze bushings or sealed roller bearings.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Width100-250 mm
Weight50-200 kg
Diameter300-800 mm
MountingBolted flange or integrated axle
Bearing TypeTapered roller or spherical roller bearings
Load Capacity5-25 tons per wheel
Surface Hardness45-55 HRC

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, ISO 286-2

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Premature wear from abrasive contaminants
  • Bearing failure due to inadequate lubrication
  • Crack propagation from impact loads
  • Misalignment causing uneven track wear
FMEA Triads
Trigger: Inadequate sealing allowing abrasive particles into bearings
Failure: Bearing seizure leading to wheel lock-up
Mitigation: Install multi-labyrinth seals with grease purging systems
Trigger: Excessive impact loads from uneven terrain
Failure: Radial cracking in wheel rim
Mitigation: Implement load-limiting suspension systems and operator training
Trigger: Corrosion in saltwater or chemical environments
Failure: Reduced structural integrity and premature failure
Mitigation: Apply corrosion-resistant coatings and specify stainless steel components

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.1 mm on diameter, ±0.05 mm on concentricity, Ra 1.6 μm surface finish
Test Method
Ultrasonic testing for internal defects, dimensional verification with CMM, hardness testing per ISO 6508, dynamic load testing at 150% rated capacity

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 Road Wheels

2 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.

ICAN Cycling
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Road Wheels”
View source page ↗ icancycling.com · checked 2026-09-14
Xiamen LightCarbon Composite Technology Co., Ltd.
Xiamen, Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Road Wheels rim brake”
View source page ↗ lightcarbon.com · checked 2026-09-05

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

Share this page

Related Components

Chrome Plating
Hard chrome plating is an electroplating process that deposits a layer of chromium onto metal surfaces to enhance wear resistance, corrosion protection, and reduce friction for hydraulic cylinder piston rods.
Upper Tool (Punch)
Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.
Main Frame
The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.
Shaft Bearing
Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Frequently Asked Questions

What is the primary function of road wheels in crawler tracks?

Road wheels primarily support the vehicle's weight, distribute loads across the track, and reduce friction by providing rolling contact between the track and suspension system.

How often should road wheels be inspected?

Road wheels should be inspected every 250-500 operating hours for wear, bearing play, and seal integrity, with more frequent checks in abrasive environments.

Can road wheels be repaired or must they be replaced?

Minor surface damage can sometimes be repaired through machining and re-hardening, but severely worn or cracked wheels typically require complete replacement for safety.

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.

Request Manufacturing Insight for Road Wheels

Thank you. Your request has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at [email protected].
Yoke Bracket
Get QuotesChat