PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C659-57Bearing,roller,needle

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 3110-00-085-2943 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-085-2943 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-085-2943. Primary manufacturer part number: C659-57.
Features
  • Bearing,roller,needle — FSC 3110
  • Alignment Type: RIGID
  • Overall Outside Diameter: 1.8745 INCHES MINIMUM AND 1.8755 INCHES MAXIMUM IN
  • Bore Diameter: 1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL
  • 5 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-085-2943, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-085-2943
Primary Part NumberC659-57
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusCANCELLED
Alignment TypeRIGID
Overall Outside Diameter1.8745 INCHES MINIMUM AND 1.8755 INCHES MAXIMUM IN
Bore Diameter1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Style DesignatorNON-SEPARABLE, OPEN END, DRAWN SHELL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3455-00-197-6395 INTERCHANGEABLE
Cutter,milling,metal Slitting
6680-00-460-2650A-17014 INTERCHANGEABLE
Indicator,sight,liquid
Mueller Brass Co.
1730-00-909-6091B248 INTERCHANGEABLE
Sling
Lockheed Martin Corp
3441-01-305-0439 INTERCHANGEABLE
Machinery,panel Bending and Form
5998-01-445-5080B248 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B248-L085 Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA)
C659-57 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
C659-57 PRIMARY Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA)
B248 Timken Aerospace, Inc Dba Torrington Product (USA)
C659-57 Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
3455-00-197-6395INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
6680-00-460-2650INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
A-17014
1730-00-909-6091INTERCHANGEABLE
SLING
B248
3441-01-305-0439INTERCHANGEABLE
MACHINERY,PANEL BENDING AND FORM
5998-01-445-5080INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B248

Frequently Asked Questions

What is NSN 3110-00-085-2943?

NSN 3110-00-085-2943 is a Bearing,roller,needle, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-085-2943?

NSN 3110-00-085-2943 has 5 cross-referenced part numbers: B248-L085 (Jtekt Bearings North America Llc Div Kbna - Ord 1), C659-57 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), C659-57 (Jtekt Bearings North America Llc Div Kbna - Ord 1), B248 (Timken Aerospace, Inc Dba Torrington Product), C659-57 (Timken Aerospace, Inc Dba Torrington Product).

What NSN replaces 3110-00-085-2943?

There are 5 known substitutes for 3110-00-085-2943: 3455-00-197-6395, 6680-00-460-2650, 1730-00-909-6091 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C659-57?

Key specifications for C659-57: Overall Width: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Alignment Type: RIGID; Special Features: EXTRA CAPACITY OUTER RING; Overall Outside Diameter: 1.8745 INCHES MINIMUM AND 1.8755 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-085-2943 still in active supply?

NSN 3110-00-085-2943 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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