PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309KDGBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-554-5646 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-5646 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-5646. Primary manufacturer part number: 309KDG.
Features
  • Bearing,ball,annular — FSC 3110
  • Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
  • Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: ABEC NO.1
  • 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 3110-00-554-5646, 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 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-554-5646
Primary Part Number309KDG
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusCANCELLED
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
Bore Diameter45.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Shield Quantity1
Surface FinishGROUND
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-61891309GF INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
Cross-Reference Index
Part NumberManufacturer
309KDG Timken Co Div the Timken Company (USA)
4309PTF Fag Bearings Corporation (USA)
1309GF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
47609X1 General Motors Corp Delco Moraine Ndh Div (USA)
ST354 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
AA59585-209JJBT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
6309ZNRJ Skf Usa Inc. (USA)
309SFGQ6B7 Skf Usa Inc. (USA)
A-A-59585 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
47609X1 General Motors Corp (USA)
6309ZNRCE1TX9 Nsk Corp Bearing Div (USA)
Related Parts
3110-00-155-6189INTERCHANGEABLE
BEARING,BALL,ANNULAR
1309GF

Frequently Asked Questions

What is NSN 3110-00-554-5646?

NSN 3110-00-554-5646 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-5646?

NSN 3110-00-554-5646 has 12 cross-referenced part numbers: 309KDG (Timken Co Div the Timken Company), 4309PTF (Fag Bearings Corporation), 1309GF (Schatz Bearing Corporation Dba Schatz Bearing Corp), 47609X1 (General Motors Corp Delco Moraine Ndh Div), ST354 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/) and 7 more.

What NSN replaces 3110-00-554-5646?

There is 1 known substitute for 3110-00-554-5646: 3110-00-155-6189. Verify interchangeability with system specifications before substitution.

What are the specifications of 309KDG?

Key specifications for 309KDG: Special Features: TYPE 111, CLASS 5, GRADE 00; Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE; Overall Outside Diameter: 100.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-5646 still in active supply?

NSN 3110-00-554-5646 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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