PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3KDD5Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-208-0055 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-208-0055 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-208-0055. Primary manufacturer part number: S3KDD5.
Features
  • Bearing,ball,annular — FSC 3110
  • Shield Quantity: 2
  • Internal Fit-Up Designation: STANDARD
  • Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE SHIELD
  • Material: STEEL COMP 1008 RETAINER
  • Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 1008 Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-208-0055, 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 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-208-0055
Primary Part NumberS3KDD5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Shield Quantity2
Internal Fit-Up DesignationSTANDARD
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE SHIELD
MaterialSTEEL COMP 1008 RETAINER
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE RETAINER
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E51100 BALL
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL COMP 1008 SHIELD
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Retainer Fabrication MethodPRESSED
Bore Diameter0.1875 INCHES NOMINAL IN
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-227-30380374-3 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-728-096303-6013-02 INTERCHANGEABLE
Bearing,ball,annular
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Cross-Reference Index
Part NumberManufacturer
40456-25 Hydro-Aire Aerospace Corp (USA)
33KDD5 Timken Co Div the Timken Company (USA)
S3KDD5 PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
3110-00-227-3038INTERCHANGEABLE
BEARING,BALL,ANNULAR
0374-3
3110-00-728-0963INTERCHANGEABLE
BEARING,BALL,ANNULAR
03-6013-02

Frequently Asked Questions

What is NSN 3110-00-208-0055?

NSN 3110-00-208-0055 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 3110-00-208-0055?

NSN 3110-00-208-0055 has 3 cross-referenced part numbers: 40456-25 (Hydro-Aire Aerospace Corp), 33KDD5 (Timken Co Div the Timken Company), S3KDD5 (Timken Co Div the Timken Company).

What NSN replaces 3110-00-208-0055?

There are 2 known substitutes for 3110-00-208-0055: 3110-00-227-3038, 3110-00-728-0963. Verify interchangeability with system specifications before substitution.

What are the specifications of S3KDD5?

Key specifications for S3KDD5: Shield Quantity: 2; Internal Fit-Up Designation: STANDARD; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE SHIELD; Material: STEEL COMP 1008 RETAINER. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com