PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR2-5K25NBearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-00-727-3034 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-727-3034 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-727-3034. Primary manufacturer part number: SR2-5K25N.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Overall Outside Diameter: 0.3125 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Bore Diameter: 0.1250 INCHES NOMINAL IN
  • Load Direction: RADIAL
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 3110-00-727-3034, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-727-3034
Primary Part NumberSR2-5K25N
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusCANCELLED
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Overall Outside Diameter0.3125 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore Diameter0.1250 INCHES NOMINAL IN
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.7
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2940-00-125-95441HA609 INTERCHANGEABLE
Filter Element,fluid
Oshkosh Defense Llc
5945-00-259-5723410-0059-000 INTERCHANGEABLE
Relay,electromagnetic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3110-00-293-93020042980-3 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5310-00-330-7866 INTERCHANGEABLE
Nut,special
4810-01-127-2637N51792 INTERCHANGEABLE
Cover,diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-151-394951792 INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
4240-01-268-0556T100300 INTERCHANGEABLE
Cartridge,respirator,air Filteri
Honeywell Safety Products Usa, Inc.
3010-01-363-9032R25 INTERCHANGEABLE
Coupling,shaft,rigid
Transco Industries, Inc. Dba Transco Industries Inc
3695-01-400-42161127-011-3054 16 INCH INTERCHANGEABLE
Saw,chain
Stihl Incorporated
2840-01-673-19614136613 INTERCHANGEABLE
Case and Vane Assembly,compresso
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
SR2-5K25N Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
SR2-5XK25 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SS518CP25MILL6058A Mpb Corp Div Timken Super Precision (USA)
M81793/04FC2N2N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3110PL0138881 Jednolity Indeks Materialowy - Uniform Material Index (POL)
448300-15 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
M81793-BFFEAN01AC71AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R2-5 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
0391-6 Northrop Grumman Systems Corporation (USA)
SR2-5K0-11 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
MIL-B-81793/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BBP5 B.c. Systems Inc. Dba Bc Systems Inc (USA)
413661-3 Raytheon Company Dba Raytheon (USA)
SR2-53K25/162 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
BBP5 Tempo Instrument Inc Defense Electronics Div (USA)
182256-1 Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
R2-5K25 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SR2-5K25-0-11 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
AMV8K20 Timken Co Div the Timken Company (USA)
5179-2 Raytheon Company Div Rmd Strategic (USA)
Related Parts
2940-00-125-9544INTERCHANGEABLE
FILTER ELEMENT,FLUID
1HA609
5945-00-259-5723INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
410-0059-000
3110-00-293-9302INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042980-3
5310-00-330-7866INTERCHANGEABLE
NUT,SPECIAL
4810-01-127-2637INTERCHANGEABLE
COVER,DIAPHRAGM
N51792
4730-01-151-3949INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
51792
4240-01-268-0556INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
T100300
3010-01-363-9032INTERCHANGEABLE
COUPLING,SHAFT,RIGID
R25
3695-01-400-4216INTERCHANGEABLE
SAW,CHAIN
1127-011-3054 16 INCH
2840-01-673-1961INTERCHANGEABLE
CASE AND VANE ASSEMBLY,COMPRESSO
4136613

Frequently Asked Questions

What is NSN 3110-00-727-3034?

NSN 3110-00-727-3034 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-727-3034?

NSN 3110-00-727-3034 has 20 cross-referenced part numbers: SR2-5K25N (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), SR2-5XK25 (New Hampshire Ball Bearings Inc Div Hitech Division), SS518CP25MILL6058A (Mpb Corp Div Timken Super Precision), M81793/04FC2N2N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3110PL0138881 (Jednolity Indeks Materialowy - Uniform Material Index) and 15 more.

What NSN replaces 3110-00-727-3034?

There are 10 known substitutes for 3110-00-727-3034: 2940-00-125-9544, 5945-00-259-5723, 3110-00-293-9302 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR2-5K25N?

Key specifications for SR2-5K25N: Surface Finish: GROUND; Retainer Fabrication Method: PRESSED; Overall Outside Diameter: 0.3125 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-727-3034 still in active supply?

NSN 3110-00-727-3034 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