Overhead & Bridge Crane Wheels

UTEC manufactures overhead bridge crane wheels for CMAA Class A through Class F service. Class A (powerhouse and infrequent use) and Class B (light service, under 2 hours per day) typically use AISI 1045 or 4140 at lower hardness ranges. Class C (moderate service, approximately 50% of rated capacity) and Class D (heavy duty, 50–65% of working time, 5–10 starts per hour) are UTEC's most common overhead crane wheel specifications, using AISI 4140 hardened to 340–400 BHN. For Class E and F overhead crane service — uncommon in standard bridge cranes but found in mill cranes — see the Ladle & Foundry Cranes page.

In many cases, yes. UTEC maintains dimensional references for overhead crane wheels from P&H, Demag, Konecranes, Whiting, and other major crane builders. Provide the OEM part number and crane manufacturer name and UTEC will attempt to identify and quote a replacement. Where the part number is not in UTEC's reference library, the bore diameter and a photograph of the wheel face and side profile are typically sufficient to identify the specification. If neither approach resolves the specification, send UTEC photos and measurements of the worn wheel — no need to ship the part — for remote reverse engineering.

The most common tread profile for overhead bridge crane runway wheels is flat tread, which provides the largest contact patch with the flat-head crane rail (ASCE 40, 60, 85, 104, or other standard sizes). Tapered tread is used in applications where self-centering guidance is desired — the taper creates a steering effect that reduces flange contact on straight runway sections. Single-flange and double-flange configurations are both used; the choice depends on the end truck design and whether single-flange paired wheels or double-flange independent guidance is specified. UTEC can manufacture any of these profiles to the rail and clearance requirements specified on the drawing.

UTEC's standard documentation package for crane wheels includes: complete raw material chemistry documentation (the actual chemical composition of the steel billet used, not just a nominal grade designation); Rockwell hardness test results taken at multiple positions on the tread; and a dimensional inspection report confirming tread diameter, bore diameter, keyway dimensions, and overall width against the drawing. If your application requires supplementary documentation — heat treat certifications, NDE inspection, material traceability to ASTM specifications — specify this at order placement. UTEC can accommodate most quality documentation requirements.