PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

664046Bearing,ball,annular

Westinghouse Electric Corp Power Generation-Generator Div · NSN 3110-00-155-6843 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6843 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6843. Primary manufacturer part number: 664046.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 30.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OUTER RING
  • Material: STEEL BALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL INNER RING
  • Outer Ring Width: 19.00 MILLIMETERS NOMINAL MM
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6843, 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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6843
Primary Part Number664046
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerWestinghouse Electric Corp Power Generation-Generator Div
StatusCANCELLED
Bore Diameter30.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL INNER RING
Outer Ring Width19.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter72.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore ShapeSTRAIGHT
Inner Ring Width1.1875 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-011-0103664046 INTERCHANGEABLE
Panel,control
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-106-4292425020-0R1F INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
3110-00-144-89250052076 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
3110-00-156-1711 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-222-14013706HD INTERCHANGEABLE
Clamp,screw,quick Adjusting
Adjustable Clamp Co
6625-00-230-4511 INTERCHANGEABLE
Interface Module As
4310-00-245-04294606 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Schrader-Bridgeport International Inc Dba Schrader Automotive
5985-00-295-3011 INTERCHANGEABLE
Coupler,rotary,radio Frequency
3120-00-425-71004606 INTERCHANGEABLE
Bearing,sleeve
Eaton Corp Transmission Div
5130-00-447-82674306 INTERCHANGEABLE
Handle Grip
Skil Corp
Cross-Reference Index
Part NumberManufacturer
664046 Westinghouse Electric Corp Power Generation-Generator Div (USA)
WIR306W Timken Co Div the Timken Company (USA)
4606X1A General Motors Corp (USA)
664646 Westinghouse Electric Corp (USA)
306SWI Skf Usa Inc. (USA)
35J443P8 Westinghouse Electric Corp Power Generation-Generator Div (USA)
4606X1A General Motors Corp Delco Moraine Ndh Div (USA)
306WI Federal-Mogul Corp Government Sales Dept (USA)
35J810P1 Westinghouse Electric Corp (USA)
637441 Westinghouse Electric Corp (USA)
S1297114 Westinghouse Electric Corp (USA)
35J810P1 Westinghouse Electric Corp Power Generation-Generator Div (USA)
306WIR Fag Bearings Corporation (USA)
1306MW1 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
1306W Federal-Mogul Corp Government Sales Dept (USA)
WIR306 Allis-Chalmers Corp (USA)
165063-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
782870 Westinghouse Electric Corp Power Generation-Generator Div (USA)
664648 Westinghouse Electric Corp Power Generation-Generator Div (USA)
4606 General Motors Llc Dba General Motors Llc (USA)
Related Parts
4920-00-011-0103INTERCHANGEABLE
PANEL,CONTROL
664046
6625-00-106-4292INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
425020-0R1F
3110-00-144-8925INTERCHANGEABLE
BEARING,BALL,ANNULAR
0052076
3110-00-156-1711INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-222-1401INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
3706HD
6625-00-230-4511INTERCHANGEABLE
INTERFACE MODULE AS
4310-00-245-0429INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
4606
5985-00-295-3011INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
3120-00-425-7100INTERCHANGEABLE
BEARING,SLEEVE
4606
5130-00-447-8267INTERCHANGEABLE
HANDLE GRIP
4306
4730-00-472-5062INTERCHANGEABLE
TEE,PIPE
401-020
3110-00-540-4656INTERCHANGEABLE
BEARING,BALL,ANNULAR
310

Frequently Asked Questions

What is NSN 3110-00-155-6843?

NSN 3110-00-155-6843 is a Bearing,ball,annular, manufactured by Westinghouse Electric Corp Power Generation-Generator Div, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-6843?

NSN 3110-00-155-6843 has 50 cross-referenced part numbers: 664046 (Westinghouse Electric Corp Power Generation-Generator Div), WIR306W (Timken Co Div the Timken Company), 4606X1A (General Motors Corp), 664646 (Westinghouse Electric Corp), 306SWI (Skf Usa Inc.) and 45 more.

What NSN replaces 3110-00-155-6843?

There are 12 known substitutes for 3110-00-155-6843: 4920-00-011-0103, 6625-00-106-4292, 3110-00-144-8925 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 664046?

Key specifications for 664046: Bore Diameter: 30.00 MILLIMETERS NOMINAL MM; Material: STEEL OUTER RING; Material: STEEL BALL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6843 still in active supply?

NSN 3110-00-155-6843 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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