PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U325Bearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-156-5062 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5062 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5062. Primary manufacturer part number: U325.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OVERALL
  • Self-Alignment Location: INTERNAL
  • Lubrication Material: GREASE
  • Nondefinitive Spec/std Data: 00 GRADE AND 123 TYPE
  • Bore Diameter: 25.00 MILLIMETERS NOMINAL MM
  • Internal Fit-Up Contact Angular Direction: INWARD CONVERGENT
  • Load Direction: ANGULAR
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 3110-00-156-5062, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 36 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5062
Primary Part NumberU325
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusACTIVE
MaterialSTEEL OVERALL
Self-Alignment LocationINTERNAL
Lubrication MaterialGREASE
Nondefinitive Spec/std Data00 GRADE AND 123 TYPE
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Load DirectionANGULAR
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Contact Angle25.0 DEGREES MAXIMUM
Self-Alignment LocationINTERNAL
Retainer Fabrication MethodPRESSED
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Alignment TypeSELF-ALIGNING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data00 GRADE AND 123 TYPE
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Contact Angle25.0 DEGREES MAXIMUM
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Load DirectionANGULAR
Overall Outside Diameter62.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-044-5504MS90725-158 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5905-00-075-96904890 INTERCHANGEABLE
Resistor Assembly
Electro Scientific Industries Inc
3110-00-100-0282559 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5970-00-141-9265700707 INTERCHANGEABLE
Insulator,bushing
Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
6810-00-264-6508 INTERCHANGEABLE
Oxalic Acid
5133-00-277-69421302 57/64 INTERCHANGEABLE
Drill,twist
Morse Cutting Tools
2940-00-288-0404FAB10-0400 INTERCHANGEABLE
Air Cleaner,intake
Donaldson Company, Inc.
5340-00-308-1150U325 INTERCHANGEABLE
Clamp,loop
Riker Products Inc
6625-00-402-606410230 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
U325 PRIMARY Fag Bearings Corporation (USA)
1305 PRIMARY Skf Usa Inc. (USA)
BR1305 Wilton Corp Wilton Machinery Div (USA)
72-6970-045 PRIMARY Fairbanks Morse, Llc (USA)
4890 Universal Motors-Oshkosh a Div of Medalist Industries Inc (USA)
700707 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
103-008-63 Vapor Corp Sub of Brunswick Corp (USA)
3218246 General Motors Corp Electro-Motive Div (USA)
553P34 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
10230 PRIMARY Acf Industries Inc (USA)
1305 PRIMARY L3harris Technologies, Inc (USA)
1133083 PRIMARY Westinghouse Electric Corp (USA)
177009-88 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
60306P1055 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
1305 PRIMARY Nsk Corp Bearing Div (USA)
1133083 Westinghouse Electric Corp Power Generation-Generator Div (USA)
5Y242 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
6013158 Elwell-Parker Electric Co (USA)
60641P1055 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-044-5504INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90725-158
5905-00-075-9690INTERCHANGEABLE
RESISTOR ASSEMBLY
4890
3110-00-100-0282INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
559
5970-00-141-9265INTERCHANGEABLE
INSULATOR,BUSHING
700707
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
6810-00-264-6508INTERCHANGEABLE
OXALIC ACID
5133-00-277-6942INTERCHANGEABLE
DRILL,TWIST
1302 57/64
2940-00-288-0404INTERCHANGEABLE
AIR CLEANER,INTAKE
FAB10-0400
5340-00-308-1150INTERCHANGEABLE
CLAMP,LOOP
U325
6625-00-402-6064INTERCHANGEABLE
VOLTMETER
10230
5961-00-467-1807INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
102-3
1660-00-486-9962INTERCHANGEABLE
VALVE ASSY-RELIEF--

Frequently Asked Questions

What is NSN 3110-00-156-5062?

NSN 3110-00-156-5062 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-5062?

NSN 3110-00-156-5062 has 36 cross-referenced part numbers: U325 (Fag Bearings Corporation), 1305 (Skf Usa Inc.), BR1305 (Wilton Corp Wilton Machinery Div), 72-6970-045 (Fairbanks Morse, Llc), 4890 (Universal Motors-Oshkosh a Div of Medalist Industries Inc) and 31 more.

What NSN replaces 3110-00-156-5062?

There are 12 known substitutes for 3110-00-156-5062: 5305-00-044-5504, 5905-00-075-9690, 3110-00-100-0282 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U325?

Key specifications for U325: Material: STEEL OVERALL; Self-Alignment Location: INTERNAL; Lubrication Material: GREASE; Nondefinitive Spec/std Data: 00 GRADE AND 123 TYPE. 30 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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