PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3321Bearing,ball,annular

General Motors Corp Delco Moraine Ndh Div · NSN 3110-00-144-8954 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-144-8954 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-144-8954. Primary manufacturer part number: 3321.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 225.00 MILLIMETERS NOMINAL MM
  • Bore Diameter: 105.00 MILLIMETERS NOMINAL MM
  • Standard Tolerance Designation: ABEC NO.1
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Internal Fit-Up Designation: STANDARD
  • Surface Finish: GROUND
  • Material: STEEL OVERALL
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 3110-00-144-8954, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Corp Delco Moraine Ndh Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-144-8954
Primary Part Number3321
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Motors Corp Delco Moraine Ndh Div
StatusACTIVE
Overall Outside Diameter225.00 MILLIMETERS NOMINAL MM
Bore Diameter105.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Internal Fit-Up DesignationSTANDARD
Surface FinishGROUND
MaterialSTEEL OVERALL
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Nondefinitive Spec/std Data111 TYPE AND 1 CLASS AND 00 GRADE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-073-2165664880 INTERCHANGEABLE
Nut
Clark Material Handling Company
3120-00-474-3601 INTERCHANGEABLE
Bearing,sleeve
5935-00-508-05698177158 INTERCHANGEABLE
Plug,tip
Us Army Aviation and Missile Command
6625-00-984-4729 INTERCHANGEABLE
Phasemeter
6625-01-089-1884 INTERCHANGEABLE
Analyzer,spectrum
3110-01-308-91466321 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5340-01-344-6851 INTERCHANGEABLE
Bracket,mounting
5935-01-351-5608594080 INTERCHANGEABLE
Connector,receptacle,electrical
Erni Components Inc
6515-01-560-92676910D-607 INTERCHANGEABLE
Case,carrying,nebulizer System
Sunrise Medical Hhg Inc. Dba Sunrise Medical Hm Healthcare
Cross-Reference Index
Part NumberManufacturer
3321 General Motors Corp Delco Moraine Ndh Div (USA)
405H Fag Bearings Corporation (USA)
3321 General Motors Corp (USA)
6321CE1TX9 Nsk Corp Bearing Div (USA)
321K Timken Co Div the Timken Company (USA)
543416 Westinghouse Electric Corp (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1321 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
543416 Westinghouse Electric Corp Power Generation-Generator Div (USA)
319687-202 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
72-6970-296 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
105BC03 Timken Aerospace, Inc Dba Torrington Product (USA)
177002-51 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
543402 Westinghouse Electric Corp Power Generation-Generator Div (USA)
AA59585-221JABT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
321 Federal-Mogul Corp Government Sales Dept (USA)
231776-21 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
231541-21 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6321 Skf Usa Inc. (USA)
543402 Westinghouse Electric Corp (USA)
Related Parts
5310-00-073-2165INTERCHANGEABLE
NUT
664880
3120-00-474-3601INTERCHANGEABLE
BEARING,SLEEVE
5935-00-508-0569INTERCHANGEABLE
PLUG,TIP
8177158
6625-00-984-4729INTERCHANGEABLE
PHASEMETER
6625-01-089-1884INTERCHANGEABLE
ANALYZER,SPECTRUM
3110-01-308-9146INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
6321
5340-01-344-6851INTERCHANGEABLE
BRACKET,MOUNTING
5935-01-351-5608INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
594080
6515-01-560-9267INTERCHANGEABLE
CASE,CARRYING,NEBULIZER SYSTEM
6910D-607

Frequently Asked Questions

What is NSN 3110-00-144-8954?

NSN 3110-00-144-8954 is a Bearing,ball,annular, manufactured by General Motors Corp Delco Moraine Ndh Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-144-8954?

NSN 3110-00-144-8954 has 25 cross-referenced part numbers: 3321 (General Motors Corp Delco Moraine Ndh Div), 405H (Fag Bearings Corporation), 3321 (General Motors Corp), 6321CE1TX9 (Nsk Corp Bearing Div), 321K (Timken Co Div the Timken Company) and 20 more.

What NSN replaces 3110-00-144-8954?

There are 9 known substitutes for 3110-00-144-8954: 5310-00-073-2165, 3120-00-474-3601, 5935-00-508-0569 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3321?

Key specifications for 3321: Overall Outside Diameter: 225.00 MILLIMETERS NOMINAL MM; Bore Diameter: 105.00 MILLIMETERS NOMINAL MM; Standard Tolerance Designation: ABEC NO.1; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 11 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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