PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305KDDFS381ABearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-005-0532 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-005-0532 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-005-0532. Primary manufacturer part number: 305KDDFS381A.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Internal Fit-Up Designation: STANDARD
  • Standard Tolerance Designation: ABEC NO.1
  • Load Direction: RADIAL
  • Reference Number Differentiating Characteristics: CERTIFIED FREE FROM MERCURY CONTAMINATION
  • Lubrication Material: GREASE
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 3110-00-005-0532, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3110-00-005-0532
Primary Part Number305KDDFS381A
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Surface FinishGROUND
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Load DirectionRADIAL
Reference Number Differentiating CharacteristicsCERTIFIED FREE FROM MERCURY CONTAMINATION
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Shield Quantity2
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter62.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-144-86300143113 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
Cross-Reference Index
Part NumberManufacturer
305KDDFS381A Timken Co Div the Timken Company (USA)
305KDDFS104 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-144-8630INTERCHANGEABLE
BEARING,BALL,ANNULAR
0143113

Frequently Asked Questions

What is NSN 3110-00-005-0532?

NSN 3110-00-005-0532 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 3110-00-005-0532?

NSN 3110-00-005-0532 has 2 cross-referenced part numbers: 305KDDFS381A (Timken Co Div the Timken Company), 305KDDFS104 (Timken Co Div the Timken Company).

What NSN replaces 3110-00-005-0532?

There is 1 known substitute for 3110-00-005-0532: 3110-00-144-8630. Verify interchangeability with system specifications before substitution.

What are the specifications of 305KDDFS381A?

Key specifications for 305KDDFS381A: Surface Finish: GROUND; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE; Internal Fit-Up Designation: STANDARD; Standard Tolerance Designation: ABEC NO.1. 14 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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