PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20504-31Bearing,ball,annular

Allied Signal Inc Aerospace Equipment Systems Eatontown Site · NSN 3110-00-555-5225 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-5225 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-5225. Primary manufacturer part number: 20504-31.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Load Direction: RADIAL
  • Bore Diameter: 10.00 MILLIMETERS NOMINAL MM
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
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 3110-00-555-5225, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Allied Signal Inc Aerospace Equipment Systems Eatontown Site. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 30 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-555-5225
Primary Part Number20504-31
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAllied Signal Inc Aerospace Equipment Systems Eatontown Site
StatusCANCELLED
Standard Tolerance DesignationABEC NO.1
Load DirectionRADIAL
Bore Diameter10.00 MILLIMETERS NOMINAL MM
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Overall Outside Diameter35.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-057-5836 INTERCHANGEABLE
Semiconductor Device,diode
2640-00-060-3550 INTERCHANGEABLE
Cap,pneumatic Valve
6635-00-090-93716300 INTERCHANGEABLE
Probe,eddy Current
Ideal Specialty Inc.
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
3110-00-144-8991 INTERCHANGEABLE
Bearing,ball,annular
5120-00-180-06815120-00-180-0681 INTERCHANGEABLE
Vise,machinist's
General Services Administration Federal Supply Service
5310-00-186-0974 INTERCHANGEABLE
Washer,key
2810-00-203-4270LW-14077 INTERCHANGEABLE
Pin,piston
Textron Lycoming Inc Williamsport Plant
5330-00-214-27566300 INTERCHANGEABLE
Gasket
Waterous Company
2910-00-218-6929 INTERCHANGEABLE
Housing,fuel Inject
Cross-Reference Index
Part NumberManufacturer
20504-31 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
3300 General Motors Corp Delco Moraine Ndh Div (USA)
300K Timken Co Div the Timken Company (USA)
D4APC023 General Signal Corp (USA)
23HH4 Clow Corp Waste Treatment Div (USA)
465422 Skf Usa Inc. (USA)
300TF Fag Bearings Corporation (USA)
6300 Ames Iron Works (USA)
11CS129P23 General Signal Corp (USA)
0040001 Service Sales of Pittsburgh (USA)
300S Skf Usa Inc. (USA)
300KFS10000 Timken Co Div the Timken Company (USA)
23 L & L Boiler Maintenance Inc (USA)
3300X1 General Motors Corp (USA)
300 Mcgill Manufacturing Co, Inc (USA)
300 Ames Iron Works (USA)
B20504-31 Purolator Products Co Div Motor Components, Llc (USA)
69650 Cummins Inc. (USA)
6300CE1TX9 Nsk Corp Bearing Div (USA)
319687-181 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5961-00-057-5836INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
2640-00-060-3550INTERCHANGEABLE
CAP,PNEUMATIC VALVE
6635-00-090-9371INTERCHANGEABLE
PROBE,EDDY CURRENT
6300
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
3110-00-144-8991INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-180-0681INTERCHANGEABLE
VISE,MACHINIST'S
5120-00-180-0681
5310-00-186-0974INTERCHANGEABLE
WASHER,KEY
2810-00-203-4270INTERCHANGEABLE
PIN,PISTON
LW-14077
5330-00-214-2756INTERCHANGEABLE
GASKET
6300
2910-00-218-6929INTERCHANGEABLE
HOUSING,FUEL INJECT
6115-00-235-4703INTERCHANGEABLE
B0X CONTROL HEATER
133-195
3439-00-255-9926INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
T300

Frequently Asked Questions

What is NSN 3110-00-555-5225?

NSN 3110-00-555-5225 is a Bearing,ball,annular, manufactured by Allied Signal Inc Aerospace Equipment Systems Eatontown Site, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-555-5225?

NSN 3110-00-555-5225 has 50 cross-referenced part numbers: 20504-31 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 3300 (General Motors Corp Delco Moraine Ndh Div), 300K (Timken Co Div the Timken Company), D4APC023 (General Signal Corp), 23HH4 (Clow Corp Waste Treatment Div) and 45 more.

What NSN replaces 3110-00-555-5225?

There are 12 known substitutes for 3110-00-555-5225: 5961-00-057-5836, 2640-00-060-3550, 6635-00-090-9371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20504-31?

Key specifications for 20504-31: Standard Tolerance Designation: ABEC NO.1; Load Direction: RADIAL; Bore Diameter: 10.00 MILLIMETERS NOMINAL MM; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-555-5225 still in active supply?

NSN 3110-00-555-5225 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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