PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305WIBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-9552 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-9552 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-9552. Primary manufacturer part number: 305WI.
Features
  • Bearing,ball,annular — FSC 3110
  • Inner Ring Width: 1.0000 INCHES NOMINAL IN
  • Material: STEEL BALL
  • Bore Shape: STRAIGHT
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Overall Outside Diameter: 62.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-9552, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 10 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
NSN3110-00-155-9552
Primary Part Number305WI
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Inner Ring Width1.0000 INCHES NOMINAL IN
MaterialSTEEL BALL
Bore ShapeSTRAIGHT
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter62.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Outer Ring Width17.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8909 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-1708 INTERCHANGEABLE
Bearing,ball,thrust
3110-00-156-46901415B INTERCHANGEABLE
Bearing,ball,annular
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-215-51217351163 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
5130-00-447-82664305 INTERCHANGEABLE
Guard,saw Blade Upp
Skil Corp
6625-00-495-3856108-01 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Bird Electronic Corporation Div Bird Electronic Corp
3110-00-554-5840225305-6 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-736-9073 INTERCHANGEABLE
Standard Cells,satu
5910-00-901-4584 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
6515-00-905-147325-868-2WCS NEUTRAL INTERCHANGEABLE
Applicator,disposable
Puritan Medical Products Company I Lp
Cross-Reference Index
Part NumberManufacturer
782869 Westinghouse Electric Corp Power Generation-Generator Div (USA)
305WI PRIMARY Skf Usa Inc. (USA)
4305 General Motors Llc Dba General Motors Llc (USA)
WIR305W Timken Co Div the Timken Company (USA)
4305 General Motors Corp (USA)
637440 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
782872 Westinghouse Electric Corp Power Generation-Generator Div (USA)
799217 Westinghouse Electric Corp Power Generation-Generator Div (USA)
4305X1 General Motors Llc Dba General Motors Llc (USA)
1305MWI Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
4305X1 General Motors Corp (USA)
782872 PRIMARY Westinghouse Electric Corp (USA)
782869 PRIMARY Westinghouse Electric Corp (USA)
799217 PRIMARY Westinghouse Electric Corp (USA)
4305X1 General Motors Corp Delco Moraine Ndh Div (USA)
MT305WIR PRIMARY Fag Bearings Corporation (USA)
4305 General Motors Corp Delco Moraine Ndh Div (USA)
637440 Westinghouse Electric Corp Power Generation-Generator Div (USA)
637440 PRIMARY Westinghouse Electric Corp (USA)
Related Parts
3110-00-144-8909INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-1708INTERCHANGEABLE
BEARING,BALL,THRUST
3110-00-156-4690INTERCHANGEABLE
BEARING,BALL,ANNULAR
1415B
5330-00-215-5121INTERCHANGEABLE
GASKET
7351163
5130-00-447-8266INTERCHANGEABLE
GUARD,SAW BLADE UPP
4305
6625-00-495-3856INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
108-01
3110-00-554-5840INTERCHANGEABLE
BEARING,BALL,ANNULAR
225305-6
6625-00-736-9073INTERCHANGEABLE
STANDARD CELLS,SATU
5910-00-901-4584INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
6515-00-905-1473INTERCHANGEABLE
APPLICATOR,DISPOSABLE
25-868-2WCS NEUTRAL
4930-01-082-6483INTERCHANGEABLE
ADAPTER
4305
4530-01-092-5109INTERCHANGEABLE
PISTON,ATOMIZER

Frequently Asked Questions

What is NSN 3110-00-155-9552?

NSN 3110-00-155-9552 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-9552?

NSN 3110-00-155-9552 has 19 cross-referenced part numbers: 782869 (Westinghouse Electric Corp Power Generation-Generator Div), 305WI (Skf Usa Inc.), 4305 (General Motors Llc Dba General Motors Llc), WIR305W (Timken Co Div the Timken Company), 4305 (General Motors Corp) and 14 more.

What NSN replaces 3110-00-155-9552?

There are 12 known substitutes for 3110-00-155-9552: 3110-00-144-8909, 3110-00-156-1708, 3110-00-156-4690 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 305WI?

Key specifications for 305WI: Inner Ring Width: 1.0000 INCHES NOMINAL IN; Material: STEEL BALL; Bore Shape: STRAIGHT; Material: STEEL OUTER RING. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com