PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

206-040-206-1Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-491-5290 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-491-5290 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-491-5290. Primary manufacturer part number: 206-040-206-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
  • Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
  • Material: STEEL BALL
  • Material: STEEL INNER RING
  • Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-491-5290, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-491-5290
Primary Part Number206-040-206-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MaterialCOPPER ALLOY 864 RETAINER
MaterialSTEEL OUTER RING
Material Document and ClassificationASTM B147 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
Test Data Document81343-AAMS26 40 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 81343-AES-10A5 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 81343-AES-14A7 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.3
Retainer Fabrication MethodMACHINED
Bore ShapeSTRAIGHT
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Internal Clearance0.0090 INCHES NOMINAL AXIAL AND 0.0008 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-014-5987TC-205-S INTERCHANGEABLE
Catch,clamping
Reid Supply Company
6750-00-286-269025S INTERCHANGEABLE
Paper,copying,diazo Process
Diazo Specialty Co Dba Dsc Systems Graphics
3110-00-293-9163 INTERCHANGEABLE
Bearing,ball,annular
6750-00-298-1965 INTERCHANGEABLE
Paper,copying,diazo Process
3110-00-554-5403 INTERCHANGEABLE
Bearing,ball,annular
6750-00-663-0785 INTERCHANGEABLE
Paper,copying,diazo Process
6750-00-663-0786 INTERCHANGEABLE
Paper,copying,diazo Process
3110-00-729-5319205S-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
6750-01-012-6378 INTERCHANGEABLE
Paper,copying,diazo Process
3110-01-173-2897205-S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
205S Skf Usa Inc. (USA)
206-040-206-1 PRIMARY Skf Usa Inc. (USA)
6205VAR Skf Usa Inc. (USA)
206-040-206-1 Bell Textron Inc (USA)
206-040-206-1 PRIMARY Skf Usa Inc. (USA)
206-040-206-1 PRIMARY Timken Co Div the Timken Company (USA)
M205KMBRE8606 Timken Co Div the Timken Company (USA)
206-040-206 Bell Textron Inc (USA)
Related Parts
5340-00-014-5987INTERCHANGEABLE
CATCH,CLAMPING
TC-205-S
6750-00-286-2690INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
25S
3110-00-293-9163INTERCHANGEABLE
BEARING,BALL,ANNULAR
6750-00-298-1965INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
3110-00-554-5403INTERCHANGEABLE
BEARING,BALL,ANNULAR
6750-00-663-0785INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
6750-00-663-0786INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
3110-00-729-5319INTERCHANGEABLE
BEARING,BALL,ANNULAR
205S-1B1
6750-01-012-6378INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
3110-01-173-2897INTERCHANGEABLE
BEARING,BALL,ANNULAR
205-S

Frequently Asked Questions

What is NSN 3110-00-491-5290?

NSN 3110-00-491-5290 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-491-5290?

NSN 3110-00-491-5290 has 8 cross-referenced part numbers: 205S (Skf Usa Inc.), 206-040-206-1 (Skf Usa Inc.), 6205VAR (Skf Usa Inc.), 206-040-206-1 (Bell Textron Inc), 206-040-206-1 (Skf Usa Inc.) and 3 more.

What NSN replaces 3110-00-491-5290?

There are 10 known substitutes for 3110-00-491-5290: 5340-00-014-5987, 6750-00-286-2690, 3110-00-293-9163 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 206-040-206-1?

Key specifications for 206-040-206-1: Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material Document and Classification: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING; Special Features: STABILIZED FOR OPERATION AT M 65 DEG TO P 375 DEG F DEGF. 20 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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