Wheels: Bore Size 40 to 150 mm, Wheel Diameter 200 to 800 mm

Component Specifications

Definition

Wheels are rotating components mounted on end carriages of material handling equipment such as overhead cranes, gantry cranes, and monorails. They facilitate horizontal movement along rails or tracks by reducing friction and distributing load. Key functions include supporting the carriage weight, enabling precise positioning, and absorbing operational stresses. Typically constructed with a hub, tread, and bearing assembly, they are engineered for durability, load capacity, and wear resistance in industrial environments.

Working Principle

Wheels operate on the principle of rolling friction, converting sliding motion into efficient rolling to minimize resistance. They rotate on axles or bearings, transferring vertical loads from the end carriage to the rail while allowing horizontal travel. The tread profile ensures proper rail contact, preventing derailment and reducing vibration. In driven systems, wheels may be powered by motors to propel the carriage, while idler wheels provide guidance and support.

Materials

Common materials include forged steel (e.g., AISI 1045) for high load capacity, ductile iron for impact resistance, polyurethane for noise reduction and floor protection, and nylon for lightweight applications. Bearings are typically ball or roller types (e.g., tapered roller bearings) with grease lubrication. Tread surfaces may be hardened or coated for wear resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	45 to 60 HRC for steel wheels
Bore Size	40 to 150 mm
Tread Width	50 to 200 mm
Load Capacity	2,000 to 50,000 kg per wheel
Wheel Diameter	200 to 800 mm
Operating Temperature	-20°C to 80°C

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 12488-1, DIN 15070, ISO 4301

Parent Products

This component is used in the following industrial products

End Carriages

Structural components at the ends of a gantry structure that support and guide the movement of the gantry bridge or trolley.

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Engineering Analysis

Risks & Mitigation

Wheel wear leading to derailment
Overloading causing deformation
Bearing failure due to inadequate lubrication
Material fatigue from cyclic stress

FMEA Triads

Trigger: Excessive load or impact
Failure: Wheel cracking or flange breakage
Mitigation: Adhere to load ratings, use shock-absorbing materials, and implement regular inspections.

Trigger: Poor lubrication or contamination
Failure: Bearing seizure and increased friction
Mitigation: Follow lubrication schedules, use sealed bearings, and maintain clean operating environments.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Wheel diameter tolerance ±1 mm, bore tolerance H7/g6 per ISO 286

Test Method

Load testing per ISO 12488-1, hardness testing per ASTM E18, non-destructive testing for cracks

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 Wheels

Manufacturer profiles associated with Wheels.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What factors determine wheel selection for end carriages?

Key factors include load capacity, wheel diameter, material (steel, polyurethane), rail type, operating environment (indoor/outdoor), speed, and compliance with standards like ISO 12488.

How often should wheels be inspected or replaced?

Inspect wheels monthly for wear, cracks, or deformation. Replace if tread wear exceeds 10% of original diameter or if damage affects performance, typically every 3-5 years depending on usage.

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.

Wheels