M7A1 Bearing Material

Army Contracting Command - Rock Island Arsenal seeks M7A1 phosphor bronze bearing material, with quotes due October 20, 2026, at 10:30 AM CST. This is a 100% women-owned small business set-aside under NAICS 332991 (Ball and Roller Bearing Manufacturing) with a 1,250-employee size standard.

Place of performance is Rock Island, Illinois. The procurement is issued under FAR Part 12 for commercial products and services and will result in a firm fixed price contract awarded to the lowest price, responsive, and responsible contractor.

The solicitation specifies three line items totaling 424 linear feet of self-lubricating bearing material: Item 0001 requires 136 feet, Item 0002 requires 272 feet, and Item 0003 requires 16 feet, each nominally .0585" to .0605" thick, 5" usable width minimum. The material must have a steel backing with porous copper-tin bronze inner structure and PTFE/lead bearing surface, meeting compressive strength of 44,000 PSI, static load capacity of 36,000 PSI, and dynamic load capacity of 20,000 PSI. Operating range is 1,000 RPM dry to 2,000 RPM lubricated across temperatures of −328°F to 536°F, with PV limits of 50,000 PSI-FPM continuous or 100,000 PSI-FPM intermittent. The suggested source is The Timken Company (Part Number S0594DU0500-S1); offerors not quoting this source must provide specification sheets. Acceptable materials from other manufacturers must meet Drawing 1110700278 requirements and may be supplied in manufacturer's standard lengths totaling 424 linear feet if the 5-inch minimum width is met. Amendment 0001, effective October 8, uploaded corrected Drawing 1110700278 and vendor questions and answers. Delivery is required by December 17, 2026, to Building 299, Rock Island Arsenal, including shipping. A Certificate of Conformance is mandatory with delivery; packages without COC will be rejected. Payment is through DFAS via Wide Area Workflow.