PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309KDBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-419-6393 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-419-6393 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-419-6393. Primary manufacturer part number: 309KD.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Standard Tolerance Designation: ABEC NO.1
  • Nondefinitive Spec/std Data: 111 TYPE AND 2 CLASS AND 00 GRADE
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM
  • Bore Diameter: 45.00 MILLIMETERS NOMINAL MM
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 3110-00-419-6393, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-419-6393
Primary Part Number309KD
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Nondefinitive Spec/std Data111 TYPE AND 2 CLASS AND 00 GRADE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
Bore Diameter45.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Shield Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-554-30796309ZZC3 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
Cross-Reference Index
Part NumberManufacturer
309KD Timken Co Div the Timken Company (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA59585-209JBBT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59585 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-554-3079INTERCHANGEABLE
BEARING,BALL,ANNULAR
6309ZZC3

Frequently Asked Questions

What is NSN 3110-00-419-6393?

NSN 3110-00-419-6393 is a Bearing,ball,annular, 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 3110-00-419-6393?

NSN 3110-00-419-6393 has 4 cross-referenced part numbers: 309KD (Timken Co Div the Timken Company), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), AA59585-209JBBT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59585 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3110-00-419-6393?

There is 1 known substitute for 3110-00-419-6393: 3110-00-554-3079. Verify interchangeability with system specifications before substitution.

What are the specifications of 309KD?

Key specifications for 309KD: Internal Fit-Up Designation: STANDARD; Standard Tolerance Designation: ABEC NO.1; Nondefinitive Spec/std Data: 111 TYPE AND 2 CLASS AND 00 GRADE; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 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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