PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205WDDBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-155-6648 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6648 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6648. Primary manufacturer part number: 205WDD.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
  • Standard Tolerance Designation: ABEC NO.1
  • Surface Finish: GROUND
  • Shield Quantity: 2
  • Internal Fit-Up Designation: STANDARD
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Shield construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6648, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6648
Primary Part Number205WDD
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Load DirectionRADIAL
Lubrication MaterialGREASE
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Shield Quantity2
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL SHIELD
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-155-6704 INTERCHANGEABLE
Bearing,ball,annular
5935-00-197-0118338557 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-554-5957 INTERCHANGEABLE
Bearing,ball,annular
5305-01-641-385777205 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
205WDD Timken Co Div the Timken Company (USA)
205MFFABEC1 Skf Usa Inc. (USA)
1205MFF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
FFB171/07J05D2B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FF-B-171/07 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-171/07J05D2B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
77205 General Motors Corp (USA)
77205 General Motors Corp Delco Moraine Ndh Div (USA)
205WDDFS381A Timken Co Div the Timken Company (USA)
Related Parts
3110-00-155-6704INTERCHANGEABLE
BEARING,BALL,ANNULAR
5935-00-197-0118INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
338557
3110-00-554-5957INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-01-641-3857INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
77205

Frequently Asked Questions

What is NSN 3110-00-155-6648?

NSN 3110-00-155-6648 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 3110-00-155-6648?

NSN 3110-00-155-6648 has 9 cross-referenced part numbers: 205WDD (Timken Co Div the Timken Company), 205MFFABEC1 (Skf Usa Inc.), 1205MFF (Schatz Bearing Corporation Dba Schatz Bearing Corp), FFB171/07J05D2B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FF-B-171/07 (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 3110-00-155-6648?

There are 4 known substitutes for 3110-00-155-6648: 3110-00-155-6704, 5935-00-197-0118, 3110-00-554-5957 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 205WDD?

Key specifications for 205WDD: Load Direction: RADIAL; Lubrication Material: GREASE; Standard Tolerance Designation: ABEC NO.1; Surface Finish: GROUND. 16 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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