PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2098FJ21Bearing,ball,annular

Reed Instrument Bearing Co · NSN 3110-00-555-4470 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-4470 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-4470. Primary manufacturer part number: 2098FJ21.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.2500 INCHES NOMINAL IN
  • Retainer Fabrication Method: PRESSED
  • Shield Quantity: 2
  • Load Direction: RADIAL
  • Flange Width: 0.0450 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.7
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-555-4470, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Reed Instrument Bearing Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-555-4470
Primary Part Number2098FJ21
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerReed Instrument Bearing Co
StatusCANCELLED
Bore Diameter0.2500 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Shield Quantity2
Load DirectionRADIAL
Flange Width0.0450 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Flange Outside Diameter0.5470 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Lubrication MaterialOIL
Outer Ring Outside Diameter0.5000 INCHES NOMINAL IN
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Nondefinitive Spec/std Data115 TYPE AND 13 CLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-057-2593 INTERCHANGEABLE
Bearing,ball,annular
3110-00-069-5597 INTERCHANGEABLE
Bearing,ball,annular
3110-00-227-22631016609 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-542-0083 INTERCHANGEABLE
Bearing,ball,annular
3110-00-588-7349328C102H02 INTERCHANGEABLE
Bearing,ball,annular
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-00-724-78862469811-2 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-862-6967 INTERCHANGEABLE
Bearing,ball,annular
3110-00-942-8415115182-01 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
2098FJ21 Reed Instrument Bearing Co (USA)
SFR188PPK58-24 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MIL-B-81793/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793-DINJAA01CF71AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB23063 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
137-073-7301 Honeywell International Inc. Div Aerospace - Torrance (USA)
SFR188PPK58 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SFR188SSW50-11 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
2553664-13 Honeywell International Inc. Dba Honeywell International (USA)
77NM1632DZF7J General Motors Corp Delco Moraine Ndh Div (USA)
M81793/8-JD2C5N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SFR188PPK58-29 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MFR814RPPSSR58L1 Microtech Div of Federal-Mogul Corp (USA)
Related Parts
3110-00-057-2593INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-069-5597INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-2263INTERCHANGEABLE
BEARING,BALL,ANNULAR
1016609
3110-00-542-0083INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-588-7349INTERCHANGEABLE
BEARING,BALL,ANNULAR
328C102H02
3110-00-724-7886INTERCHANGEABLE
BEARING,BALL,ANNULAR
2469811-2
3110-00-862-6967INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-942-8415INTERCHANGEABLE
BEARING,BALL,ANNULAR
115182-01

Frequently Asked Questions

What is NSN 3110-00-555-4470?

NSN 3110-00-555-4470 is a Bearing,ball,annular, manufactured by Reed Instrument Bearing Co, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-555-4470?

NSN 3110-00-555-4470 has 13 cross-referenced part numbers: 2098FJ21 (Reed Instrument Bearing Co), SFR188PPK58-24 (New Hampshire Ball Bearings Inc Div Hitech Division), MIL-B-81793/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-DINJAA01CF71AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB23063 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 3110-00-555-4470?

There are 8 known substitutes for 3110-00-555-4470: 3110-00-057-2593, 3110-00-069-5597, 3110-00-227-2263 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2098FJ21?

Key specifications for 2098FJ21: Bore Diameter: 0.2500 INCHES NOMINAL IN; Retainer Fabrication Method: PRESSED; Shield Quantity: 2; Load Direction: RADIAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-555-4470 still in active supply?

NSN 3110-00-555-4470 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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