31--BEARING,BALL,DUPLEX
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Navy / NAVSUP Weapon Systems Support Mechanicsburg is soliciting proposals for the manufacture and supply of BEARING,BALL,DUPLEX (Product Service Code 3110). This is a Total Small Business Set-Aside opportunity. The requirement is for bearings manufactured to MIL-DTL-17931F Military Specification for 'Bearings, Ball, Annular, For Quiet Operation'. Proposals are due by March 9, 2026.
Scope of Work
This solicitation covers the manufacture and quality requirements for duplex ball bearings, specifically Standard Part Number M17931-A011. Key requirements include adherence to MIL-DTL-17931F and other referenced documents. The bearings are intended for use on submarines/surface ships and must be mercury-free. Specific types (131, 133, 134) must be matched by the manufacturer and packaged as pairs with a "MATCHED SET, DO NOT SEPARATE" caution. Shelf life is 60 months (extendable) or 10 years for MIL-B-17931E bearings.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Proposal Due: March 9, 2026, 8:30 PM EST
- Published: February 2, 2026, 10:12 AM EST
- Delivery: 180 days for CLIN 0001AA and 0001AB.
- Option: An option provision is included for an additional requirement 180 days after award, for which pricing is requested.
Evaluation
Award will consider past performance in accordance with FAR 13.106(a)(2). This item is on the Qualified Products List (QPL), meaning only items tested and approved per qualification requirements will be considered. Prospective contractors must be determined qualified by the engineering activity prior to submitting an offer. Qualification involves extensive testing, and new supplier approval is time-consuming. Vendors can qualify to supply noise-tested (NT) bearings using 'QTP-MIL-B-17931' as a supplement to MIL-DTL-17931.
Additional Notes
This requirement is pursuant to Emergency Acquisition Flexibilities (EAF) and will result in a bilaterally issued award. The contract will be DO certified for national defense under the Defense Priorities and Allocations System (DPAS). Production Lot Testing (PLT) is required, with contractor quality conformance inspection per MIL-DTL-17931F Table VI and MIL-STD-105, and government verification inspection at Naval Surface Warfare Center, Carderock Division. Suppliers must maintain an inspection/quality system per MIL-I-45208 or ISO 9001/9002. Packaging must comply with MIL-STD 2073. Certification Data Reports (DD Form 250) are due 75 days prior to delivery.