PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59640-803JABTBearing,ball,annular

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-01-491-9929 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-491-9929 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-491-9929. Primary manufacturer part number: AA59640-803JABT.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Contact Angle: 25.0 DEGREES MAXIMUM
  • Overall Outside Diameter: 40.0 MILLIMETERS NOMINAL MM
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-491-9929, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-491-9929
Primary Part NumberAA59640-803JABT
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Surface FinishGROUND
Contact Angle25.0 DEGREES MAXIMUM
Overall Outside Diameter40.0 MILLIMETERS NOMINAL MM
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Retainer Fabrication MethodPRESSED
Bore Diameter17.0 MILLIMETERS NOMINAL MM
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Load DirectionANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-5403 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5431 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7924 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7925 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7932314747-1 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3110-00-156-7942 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7971 INTERCHANGEABLE
Bearing,ball,annular
3110-00-198-2865 INTERCHANGEABLE
Bearing,ball,annular
3110-00-227-2715 INTERCHANGEABLE
Bearing,ball,annular
3110-00-540-4582 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
AA59640-803JABT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FFB171/36J03A2E Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59640 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-156-5403INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5431INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7924INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7925INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7932INTERCHANGEABLE
BEARING,BALL,ANNULAR
314747-1
3110-00-156-7942INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7971INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-198-2865INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-2715INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-540-4582INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-554-6149INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-763-0200INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-491-9929?

NSN 3110-01-491-9929 is a Bearing,ball,annular, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-491-9929?

NSN 3110-01-491-9929 has 3 cross-referenced part numbers: AA59640-803JABT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FFB171/36J03A2E (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59640 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3110-01-491-9929?

There are 12 known substitutes for 3110-01-491-9929: 3110-00-156-5403, 3110-00-156-5431, 3110-00-156-7924 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59640-803JABT?

Key specifications for AA59640-803JABT: Standard Tolerance Designation: ABEC NO.1; Overall Width: 17.5 MILLIMETERS NOMINAL MM; Bore Shape: STRAIGHT; Surface Finish: GROUND. 13 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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