PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DS3Bearing,ball,airframe

Timken Co Div the Timken Company · NSN 3110-00-142-4443 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4443 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4443. Primary manufacturer part number: DS3.
Features
  • Bearing,ball,airframe — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Alignment Type: SELF-ALIGNING
  • Self-Alignment Location: INTERNAL
  • Shield Quantity: 2
  • Lubrication Material: GREASE
  • Load Direction: RADIAL
  • Inner Ring Width: 0.5000 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4443, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4443
Primary Part NumberDS3
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Alignment TypeSELF-ALIGNING
Self-Alignment LocationINTERNAL
Shield Quantity2
Lubrication MaterialGREASE
Load DirectionRADIAL
Inner Ring Width0.5000 INCHES NOMINAL IN
Outer Ring Width0.3920 INCHES NOMINAL IN
Overall Outside Diameter0.7774 INCHES NOMINAL IN
Bore Diameter0.1900 INCHES NOMINAL IN
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Surface TreatmentCADMIUM SHIELD
MaterialSTEEL CORROSION RESISTING OR STEEL SHIELD
MaterialSTEEL OUTER RING
Style DesignatorDOUBLE ROW, SELF ALIGNING
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-297-7492XA64 INTERCHANGEABLE
Screw,tapping
Wisconsin Motors, Llc
3895-00-527-9343 INTERCHANGEABLE
Heater,bitumen
2590-00-620-992817SW00015A INTERCHANGEABLE
Switch,beam Selecting,headlight
Payhauler Corp
3460-01-392-1509 INTERCHANGEABLE
Holder,cutting Tool
7490-01-505-2540DS-3 INTERCHANGEABLE
Shredding Machine,paper
Whitaker Brothers Business Machines, Inc.
Cross-Reference Index
Part NumberManufacturer
DS3 Timken Co Div the Timken Company (USA)
DS3 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
XA64 Fag Bearings Corporation (USA)
DS3 Rbc Aircraft Products, Inc. (USA)
DS3FS160 Rbc Aircraft Products, Inc. (USA)
AN206DS3ANG25 Aeronautical Standards Group Dept of Navy and Air Force (USA)
DS3FS160 Timken Co Div the Timken Company (USA)
DS3 Fag Bearings Corporation (USA)
DS3ANG25 Timken Co Div the Timken Company (USA)
Related Parts
5305-00-297-7492INTERCHANGEABLE
SCREW,TAPPING
XA64
3895-00-527-9343INTERCHANGEABLE
HEATER,BITUMEN
2590-00-620-9928INTERCHANGEABLE
SWITCH,BEAM SELECTING,HEADLIGHT
17SW00015A
3460-01-392-1509INTERCHANGEABLE
HOLDER,CUTTING TOOL
7490-01-505-2540INTERCHANGEABLE
SHREDDING MACHINE,PAPER
DS-3

Frequently Asked Questions

What is NSN 3110-00-142-4443?

NSN 3110-00-142-4443 is a Bearing,ball,airframe, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4443?

NSN 3110-00-142-4443 has 9 cross-referenced part numbers: DS3 (Timken Co Div the Timken Company), DS3 (Schatz Bearing Corporation Dba Schatz Bearing Corp), XA64 (Fag Bearings Corporation), DS3 (Rbc Aircraft Products, Inc.), DS3FS160 (Rbc Aircraft Products, Inc.) and 4 more.

What NSN replaces 3110-00-142-4443?

There are 5 known substitutes for 3110-00-142-4443: 5305-00-297-7492, 3895-00-527-9343, 2590-00-620-9928 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DS3?

Key specifications for DS3: Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE; Alignment Type: SELF-ALIGNING; Self-Alignment Location: INTERNAL; Shield Quantity: 2. 18 total characteristics are documented in the Federal Logistics Information System.

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