# DIBBS #SPE4A6-26-T-35YT

Solicitation for Ball Duplex Bearings and First Article Test for DLA Aviation

**Posted:** September 24, 2026
**Respond By:** October 01, 2026
**Identifier:** SPE4A6-26-T-35YT
**NAICS:** 332991

DLA Aviation ASC Commodities Division is seeking ball duplex bearings for aircraft applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation ASC Commodities Division
  - Buyer: Chanee Yarborough (Buyer Code DCY0014)
- OEMs and Approved Manufacturers:
  - Schaeffler Aerospace Canada Inc
  - SKF USA Inc. (SKF Aero)
  - The Timken Company (Timken Aerospace)
  - Sikorsky Aircraft Corp
- Products Requested:
  - Ball Duplex Bearing (NSN 3110-01-084-2537)
    - Quantity: 48 units
    - Part Numbers: SB1139-101 Rev N, 597577, SB1139-101
    - Source-controlled item; must comply with SAE AS9003 or ISO 9001 quality standards
    - Packaging per MIL-STD-2073-1E and MIL-DTL-197M
    - DFARS domestic sourcing restrictions apply
  - First Article Test
    - Quantity: 1 unit
    - Part Number: 0001S00000053
    - Contractor must submit test report within 90 days of contract award; government approval within 90 days after receipt
    - Written notice required 14 days prior to shipment for final inspection
- Delivery Requirements:
  - Delivery FOB origin to DLA Distribution, New Cumberland, PA
  - Delivery lead time: 337 days from award
  - First article test unit has a 90-day delivery requirement
- Notable Requirements:
  - Strict quality and technical standards (SAE AS9003 or ISO 9001)
  - Source-controlled item; only approved OEMs may supply
  - First article testing required before full production
  - Small business set-aside

### Description

CONTRACTOR FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000053, Purchase Request: 7018248949)
BEARING, BALL, DUPLEX (QTY: 48, NSN: 3110-01-084-2537, Purchase Request: 7018248949)
  Approved Sources:
  - CAGE: 36069, Part No: 597577, Company: SCHAEFFLER AEROSPACE CANADA INC
  - CAGE: 38443, Part No: SB1139-101, Company: SKF USA INC.
  - CAGE: 6T122, Part No: SB1139-101, Company: THE TIMKEN COMPANY
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T35YT)
