PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XLS3 1-2TFBearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-640-8953 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-640-8953 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-640-8953. Primary manufacturer part number: XLS3 1-2TF.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Material: STEEL INNER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: COPPER ALLOY RETAINER
  • Material: STEEL OUTER RING
  • Bore Diameter: 3.5000 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,annular, cataloged under National Stock Number 3110-00-640-8953, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-640-8953
Primary Part NumberXLS3 1-2TF
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusCANCELLED
Bore ShapeSTRAIGHT
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
MaterialCOPPER ALLOY RETAINER
MaterialSTEEL OUTER RING
Bore Diameter3.5000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
Overall Outside Diameter5.0000 INCHES NOMINAL IN
Retainer Fabrication MethodMACHINED
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-155-8931 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8957177039-14 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
3110-00-155-8984 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8988 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-8991 INTERCHANGEABLE
Bearing,ball,annular
3110-00-159-9061 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
XLS3 1-2TF Fag Bearings Corporation (USA)
AA59646-18CATB Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
SMA586381 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
AA59646 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
XLS56K Timken Co Div the Timken Company (USA)
Related Parts
3110-00-155-8931INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8957INTERCHANGEABLE
BEARING,BALL,ANNULAR
177039-14
3110-00-155-8984INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8988INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-8991INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-159-9061INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-640-8953?

NSN 3110-00-640-8953 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-640-8953?

NSN 3110-00-640-8953 has 5 cross-referenced part numbers: XLS3 1-2TF (Fag Bearings Corporation), AA59646-18CATB (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), SMA586381 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), AA59646 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), XLS56K (Timken Co Div the Timken Company).

What NSN replaces 3110-00-640-8953?

There are 6 known substitutes for 3110-00-640-8953: 3110-00-155-8931, 3110-00-155-8957, 3110-00-155-8984 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XLS3 1-2TF?

Key specifications for XLS3 1-2TF: Bore Shape: STRAIGHT; Material: STEEL INNER RING; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL BALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-640-8953 still in active supply?

NSN 3110-00-640-8953 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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