PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

543426Bearing,ball,annular

Westinghouse Electric Corp Power Generation-Generator Div · NSN 3110-00-155-6403 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6403 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6403. Primary manufacturer part number: 543426.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Load Direction: RADIAL
  • Bore Diameter: 70.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
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 3110-00-155-6403, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Westinghouse Electric Corp Power Generation-Generator Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 32 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
NSN3110-00-155-6403
Primary Part Number543426
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerWestinghouse Electric Corp Power Generation-Generator Div
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
Bore Diameter70.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Surface FinishGROUND
Overall Outside Diameter150.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-051-8296TYPE-21 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
3110-00-109-1837 INTERCHANGEABLE
Bearing,ball,annular
5305-00-119-4824235590 INTERCHANGEABLE
Screw,cap,hexagon Head
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3110-00-155-6467 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6469 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6672 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6686 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6706 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6709 INTERCHANGEABLE
Bearing,ball,annular
3110-00-155-6727 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
543426 Westinghouse Electric Corp Power Generation-Generator Div (USA)
1314X1 General Motors Corp (USA)
1314X1 General Motors Corp Delco Moraine Ndh Div (USA)
40107 Bell Intl Inc (USA)
81016 Eaton Corp Transmission Div (USA)
1314 Osgood Co the (USA)
8AA1542 Cooper Cameron Corp Ajax-Superior Div (USA)
211012 Allis-Chalmers Corp (USA)
370GAP Fag Bearings Corporation (USA)
1314M Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
8AA1542 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
ST230 Navistar International Corporation Dba Navistar (USA)
782844 Westinghouse Electric Corp (USA)
1314 General Motors Corp (USA)
GX186 Ohio Industries Inc (USA)
782844 Westinghouse Electric Corp Power Generation-Generator Div (USA)
314M Equitable Bearing Co Inc (USA)
EM518053 Electric Machinery Dresser Industries Inc (USA)
7828-44 Westinghouse Electric Corp (USA)
1314X1A General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
5950-00-051-8296INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
TYPE-21
3110-00-109-1837INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-00-119-4824INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
235590
3110-00-155-6467INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6469INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6672INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6686INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6706INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6709INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6727INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-155-6759INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-227-3635INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-155-6403?

NSN 3110-00-155-6403 is a Bearing,ball,annular, manufactured by Westinghouse Electric Corp Power Generation-Generator Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6403?

NSN 3110-00-155-6403 has 50 cross-referenced part numbers: 543426 (Westinghouse Electric Corp Power Generation-Generator Div), 1314X1 (General Motors Corp), 1314X1 (General Motors Corp Delco Moraine Ndh Div), 40107 (Bell Intl Inc), 81016 (Eaton Corp Transmission Div) and 45 more.

What NSN replaces 3110-00-155-6403?

There are 12 known substitutes for 3110-00-155-6403: 5950-00-051-8296, 3110-00-109-1837, 5305-00-119-4824 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 543426?

Key specifications for 543426: Internal Fit-Up Designation: STANDARD; Load Direction: RADIAL; Bore Diameter: 70.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL. 10 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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