PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250020000Bearing,ball,annular

Rotron Incorporated · NSN 3110-00-973-8166 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-973-8166 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-973-8166. Primary manufacturer part number: 250020000.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OVERALL
  • Outer Ring Width: 0.4060 INCHES NOMINAL IN
  • Retainer Fabrication Method: PRESSED
  • Internal Clearance: 0.0006 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
  • Lubrication Material: GREASE
  • Shield Quantity: 2
  • Load Direction: RADIAL
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 3110-00-973-8166, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-973-8166
Primary Part Number250020000
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRotron Incorporated
StatusCANCELLED
MaterialSTEEL OVERALL
Outer Ring Width0.4060 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Internal Clearance0.0006 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
Lubrication MaterialGREASE
Shield Quantity2
Load DirectionRADIAL
Inner Ring Width0.3900 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter8.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter22.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5950-00-055-33167633017-611 INTERCHANGEABLE
Coil,radio Frequency
Lockheed Martin Corp Naval Electronics & Surveillance Systems
3940-00-078-7867 INTERCHANGEABLE
Tongs,material Lifting
5815-00-370-0624150791 INTERCHANGEABLE
Teletypewriter Subassembly
Telemechanics Inc
1260-00-600-0821250020 INTERCHANGEABLE
Board Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
3930-00-857-3558150791 INTERCHANGEABLE
Tank
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3110-00-884-0088250021 INTERCHANGEABLE
Bearing,ball,annular
Rotron Incorporated
5930-00-916-5021 INTERCHANGEABLE
Switch,rotary
3610-01-003-1792250020 INTERCHANGEABLE
Dispenser Assembly
Microwave Power Products, Inc. Div Microwave Power Products Division
3110-01-190-2508R1433Z INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Canada Inc Div Fag Aerospace
5935-01-568-0679250-020 INTERCHANGEABLE
Dummy Connector,plug
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
250020 Schaeffler Aerospace Canada Inc Div Fag Aerospace (CAN)
250020000 PRIMARY Rotron Incorporated (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9088DDS587-1 Fag Bearings Corporation (USA)
9088DDS587-3 Fag Bearings Corporation (USA)
250020 Rotron Incorporated (USA)
15079-1 Rotron Incorporated (USA)
70882ZS587 Fag Bearings Corporation (USA)
A21788 Fag Bearings Corporation (USA)
R1433Z Fag Bearings Corporation (USA)
KC-10039 Rotron Incorporated (USA)
HE Rotron Incorporated (USA)
9995369 Us Army Aviation and Missile Command (USA)
9088DDMFS587-1MILG3278 Fag Bearings Corporation (USA)
250020 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
250020 Skf Usa Inc. (USA)
Related Parts
5950-00-055-3316INTERCHANGEABLE
COIL,RADIO FREQUENCY
7633017-611
3940-00-078-7867INTERCHANGEABLE
TONGS,MATERIAL LIFTING
5815-00-370-0624INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
150791
1260-00-600-0821INTERCHANGEABLE
BOARD ASSEMBLY
250020
3930-00-857-3558INTERCHANGEABLE
TANK
150791
3110-00-884-0088INTERCHANGEABLE
BEARING,BALL,ANNULAR
250021
5930-00-916-5021INTERCHANGEABLE
SWITCH,ROTARY
3610-01-003-1792INTERCHANGEABLE
DISPENSER ASSEMBLY
250020
3110-01-190-2508INTERCHANGEABLE
BEARING,BALL,ANNULAR
R1433Z
5935-01-568-0679INTERCHANGEABLE
DUMMY CONNECTOR,PLUG
250-020
4730-01-728-0395INTERCHANGEABLE
ELBOW,PIPE TO HOSE
250020

Frequently Asked Questions

What is NSN 3110-00-973-8166?

NSN 3110-00-973-8166 is a Bearing,ball,annular, manufactured by Rotron Incorporated, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-973-8166?

NSN 3110-00-973-8166 has 16 cross-referenced part numbers: 250020 (Schaeffler Aerospace Canada Inc Div Fag Aerospace), 250020000 (Rotron Incorporated), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 9088DDS587-1 (Fag Bearings Corporation), 9088DDS587-3 (Fag Bearings Corporation) and 11 more.

What NSN replaces 3110-00-973-8166?

There are 11 known substitutes for 3110-00-973-8166: 5950-00-055-3316, 3940-00-078-7867, 5815-00-370-0624 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 250020000?

Key specifications for 250020000: Material: STEEL OVERALL; Outer Ring Width: 0.4060 INCHES NOMINAL IN; Retainer Fabrication Method: PRESSED; Internal Clearance: 0.0006 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-973-8166 still in active supply?

NSN 3110-00-973-8166 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.
PartsTable Design LLC · partstable.com