Specification Center / review sheet
Separate mounting geometry, service load and test evidence so that each item can be confirmed on the same proposed part and drawing revision.
Verify a sample on the applicable vehicle or fixture with the approved hardware. Check the hub pilot, bolt pattern, lug seat and brake clearance, then record the sample identifier, wheel markings and any differences from the released drawing.
For an illustrative 17 × 7.5 in wheel, also state the PCD, offset in mm and center bore in mm. The size alone leaves mounting position and clearance unresolved. Hub-centric designs locate at the pilot and lug-centric designs use the fastener seats when engineered for that interface.
Compare forged and cast candidates at the same geometry, load and required evidence. A forged proposal may help meet a mass target at a higher cost. A cast proposal may offer design flexibility and lower initial cost when its validated specification fits the duty.
Ask the manufacturer for a report number and date, test method and edition, sample geometry and load conditions, and a clear connection to the ordered part and plant. If coverage depends on a product family, request the rationale and have quality approve the link.
Use this sample sequence to assign responsibilities. The markers show the order of review for a four-step checklist.
Check rim width, offset, center bore, lug seat and application on one revision.
Record the measured interface and check rotor and caliper clearance with the vehicle reviewer.
Match the tested configuration, setup and reported outcome to the proposed part.
Attach the approved scope, sample record, packaging and exception list to the order.
SAE International revised J2530 in December 2024. Its published scope covers defined aftermarket wheels for normal highway use on passenger cars, light trucks and multipurpose passenger vehicles. Confirm scope for the exact use, material and part with your technical reviewer. The reference describes a recommended practice. Suppliers must provide their own evidence for the configuration they quote.
Use the inquiry options to describe a construction path or send the open dimensions for comparison.
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