PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

206-040-207-1Bearing,ball,annular

Bell Textron Inc · NSN 3110-00-488-1245 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-488-1245 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-488-1245. Primary manufacturer part number: 206-040-207-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 20.00 MILLIMETERS NOMINAL MM
  • Material: STEEL INNER RING
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Internal Clearance: 0.0090 INCHES MAXIMUM AXIAL AND 0.0008 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-488-1245, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bell Textron Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-488-1245
Primary Part Number206-040-207-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
Bore Diameter20.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Internal Clearance0.0090 INCHES MAXIMUM AXIAL AND 0.0008 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Bore ShapeSTRAIGHT
Overall Outside Diameter47.00 MILLIMETERS NOMINAL MM
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.).
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
Material Document and ClassificationAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-554-5780204KS INTERCHANGEABLE
Bearing,ball,annular
Lta/d-Cemco Inc Dba D-Cemco
3110-01-131-369112273118 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6515-01-240-5800204S INTERCHANGEABLE
Band,circling
Mira Inc
6520-01-346-7481204S INTERCHANGEABLE
Scaler,dental
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
M204KMBRE8606S8 Timken Co Div the Timken Company (USA)
206-040-207-1 PRIMARY Bell Textron Inc (USA)
204S Skf Usa Inc. (USA)
206-040-207-1 PRIMARY Skf Usa Inc. (USA)
M204KMBRE8606 Timken Co Div the Timken Company (USA)
206-040-207 Bell Textron Inc (USA)
Related Parts
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
3110-00-554-5780INTERCHANGEABLE
BEARING,BALL,ANNULAR
204KS
3110-01-131-3691INTERCHANGEABLE
BEARING,BALL,ANNULAR
12273118
6515-01-240-5800INTERCHANGEABLE
BAND,CIRCLING
204S
6520-01-346-7481INTERCHANGEABLE
SCALER,DENTAL
204S

Frequently Asked Questions

What is NSN 3110-00-488-1245?

NSN 3110-00-488-1245 is a Bearing,ball,annular, manufactured by Bell Textron Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-488-1245?

NSN 3110-00-488-1245 has 6 cross-referenced part numbers: M204KMBRE8606S8 (Timken Co Div the Timken Company), 206-040-207-1 (Bell Textron Inc), 204S (Skf Usa Inc.), 206-040-207-1 (Skf Usa Inc.), M204KMBRE8606 (Timken Co Div the Timken Company) and 1 more.

What NSN replaces 3110-00-488-1245?

There are 5 known substitutes for 3110-00-488-1245: 3110-00-554-3232, 3110-00-554-5780, 3110-01-131-3691 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 206-040-207-1?

Key specifications for 206-040-207-1: Overall Width: 14.00 MILLIMETERS NOMINAL MM; Bore Diameter: 20.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 18 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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