UNSPSC 26101791: Main bearings

Crankshaft main bearings and thrust washers used in internal combustion engines.

UNSPSC 26101791 Main bearings (Commodity) encompasses engine and drivetrain repair services that state and local governments procure for transit fleet maintenance, particularly on heavy-duty diesel and alternative-fuel engines used in bus operations. Recent solicitations show the code is being applied to non-warranty repair and rebuild work on Cummins CNG and diesel engines, including labor, parts, diagnostics, and associated chassis system repairs. Issuing bodies include regional transit authorities and county transportation departments seeking authorized service facilities and licensed repair vendors to maintain growing public transit fleets. The work is performed on an as-needed basis with no guaranteed utilization, typically under firm-fixed-price or cost-plus structures with response-time requirements (24-hour acknowledgment and multi-day turnaround standards are common).

Geographic activity centers on Florida and California, with recent opportunities posted by Broward County Transportation Department (serving the Miami-Dade region) and Orange County Transportation Authority (OCTA) serving the Los Angeles area. The Orange County Transportation Authority (OCTA) posted RFQ 260538 on September 17, 2026, seeking Cummins-certified repair facilities for non-warranty services on 8.9-liter ISL-G and L9N CNG engines for a one-year $20,000 firm-fixed contract; quotes were due the same day. Broward County Transportation Department issued solicitation TRN2132053B1 on May 8, 2026, for competitive bids on repair, rebuild, and maintenance services across multiple engine types and chassis systems for the BCT Bus Fleet; responses closed June 1, 2026, on an indefinite-quantity structure with potential awards to up to three vendors per service group and Federal Transit Administration compliance requirements including Buy America certifications and prevailing wage applicability.