PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W9406280PC3Bearing,ball,annular

General Electric Co Switchgear and Control Division of Apparatus Group · NSN 3110-00-987-3730 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-987-3730 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-987-3730. Primary manufacturer part number: W9406280PC3.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
  • Overall Outside Diameter: 4.3305 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
  • Shield Quantity: 1
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Retainer Fabrication Method: PRESSED
  • 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 3110-00-987-3730, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Electric Co Switchgear and Control Division of Apparatus Group. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-987-3730
Primary Part NumberW9406280PC3
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Electric Co Switchgear and Control Division of Apparatus Group
StatusCANCELLED
Bore Diameter1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
Overall Outside Diameter4.3305 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
Shield Quantity1
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Criticality Code JustificationZZZW
Lubrication MaterialGREASE
Internal Fit-Up DesignationTIGHT
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data111 TYPE AND 2 CLASS
Departure From Cited DocumentANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3110-00-987-3729416821-69-FL INTERCHANGEABLE
Bearing,ball,annular
Abb Motors & Mechanical Inc
3110-00-987-3733 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
W9406280PC3 General Electric Co Switchgear and Control Division of Apparatus Group (USA)
ESB051-8NT Naval Inventory Control Point Mechanicsburg (USA)
01-0033PC47 Ward Leonard Ct Llc (USA)
ESB-050-8 Hansome Energy Systems Inc (USA)
D77-944PC18NT Naval Inventory Control Point Mechanicsburg (USA)
36A281527P1NT Naval Inventory Control Point Mechanicsburg (USA)
6310ZW1B Skf Usa Inc. (USA)
D77-944PC18 Electric Boat Corp Dba Electro Dynamic (USA)
139V287 Skf Usa Inc. (USA)
7610-7077NT Naval Inventory Control Point Mechanicsburg (USA)
W9406280PC3NT Naval Inventory Control Point Mechanicsburg (USA)
7310M7ES24ABEC3 Hoover Group Inc Ball and Roller Div (USA)
M17931-G046 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
D-500-131 ITEM 53 Hansome Energy Systems Inc (USA)
36A281527P1 General Electric Co Outdoor Breaker Business Section (USA)
3110PL0668187 Jednolity Indeks Materialowy - Uniform Material Index (POL)
3326-8PC34NT Naval Inventory Control Point Mechanicsburg (USA)
01-0033PC47NT Naval Inventory Control Point Mechanicsburg (USA)
M17931-G046 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
MIL-B-17931NT Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
3110-00-987-3729INTERCHANGEABLE
BEARING,BALL,ANNULAR
416821-69-FL
3110-00-987-3733INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-987-3730?

NSN 3110-00-987-3730 is a Bearing,ball,annular, manufactured by General Electric Co Switchgear and Control Division of Apparatus Group, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-987-3730?

NSN 3110-00-987-3730 has 50 cross-referenced part numbers: W9406280PC3 (General Electric Co Switchgear and Control Division of Apparatus Group), ESB051-8NT (Naval Inventory Control Point Mechanicsburg), 01-0033PC47 (Ward Leonard Ct Llc), ESB-050-8 (Hansome Energy Systems Inc), D77-944PC18NT (Naval Inventory Control Point Mechanicsburg) and 45 more.

What NSN replaces 3110-00-987-3730?

There are 2 known substitutes for 3110-00-987-3730: 3110-00-987-3729, 3110-00-987-3733. Verify interchangeability with system specifications before substitution.

What are the specifications of W9406280PC3?

Key specifications for W9406280PC3: Bore Diameter: 1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN; Overall Outside Diameter: 4.3305 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN; Shield Quantity: 1; Bore Shape: STRAIGHT. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-987-3730 still in active supply?

NSN 3110-00-987-3730 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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