PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202554-30Bearing,ball,annular

Naval Sea Systems Command · NSN 3110-00-540-4668 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-540-4668 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-540-4668. Primary manufacturer part number: 202554-30.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 32.00 MILLIMETERS NOMINAL MM
  • Outer Ring Width: 0.5000 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.1
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Bearing Seal Type: LABYRINTH
  • Load Direction: RADIAL
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 3110-00-540-4668, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-540-4668
Primary Part Number202554-30
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Overall Outside Diameter32.00 MILLIMETERS NOMINAL MM
Outer Ring Width0.5000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bearing Seal TypeLABYRINTH
Load DirectionRADIAL
Bore Diameter13.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Inner Ring Width0.4800 INCHES NOMINAL IN
Seal Quantity1
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4520-00-257-5228UHSA126W2CDAF INTERCHANGEABLE
Unit Heater,air Circulating,stea
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
5930-00-258-9991NP11304PC126S INTERCHANGEABLE
Switch,rotary
Sterling Engine Co Inc
4940-00-741-0940700962 INTERCHANGEABLE
Cleaner-Powered Jet
Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
5905-00-808-70222578153 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Honeywell International Inc. Dba Honeywell International
4940-00-916-975821022 INTERCHANGEABLE
Degreaser
Fluid Conditioning Products, Inc.
5940-01-451-7818 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
201KT2 Timken Co Div the Timken Company (USA)
FLB13 Skf Usa Inc. (USA)
126S Themac Inc (USA)
WC8013X1 General Motors Llc Dba General Motors Llc (USA)
CWC8013 General Motors Corp (USA)
202554-30 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
WC8013 General Motors Llc Dba General Motors Llc (USA)
700962 Army Weapons Command Attn Amswe-Ree-S (USA)
319696-672 Naval Sea Systems Command (USA)
293529-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FLB13J Skf Usa Inc. (USA)
CWC8013 General Motors Corp Delco Moraine Ndh Div (USA)
WC8013X1 General Motors Corp Delco Moraine Ndh Div (USA)
293529-3 Naval Sea Systems Command (USA)
273829-138 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
WC8013 Hoover Group Inc Ball and Roller Div (USA)
WC8013 General Motors Corp Delco Moraine Ndh Div (USA)
202554-30 PRIMARY Naval Sea Systems Command (USA)
273829-138 Naval Sea Systems Command (USA)
319696-672 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4520-00-257-5228INTERCHANGEABLE
UNIT HEATER,AIR CIRCULATING,STEA
UHSA126W2CDAF
5930-00-258-9991INTERCHANGEABLE
SWITCH,ROTARY
NP11304PC126S
4940-00-741-0940INTERCHANGEABLE
CLEANER-POWERED JET
700962
5905-00-808-7022INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2578153
4940-00-916-9758INTERCHANGEABLE
DEGREASER
21022
5940-01-451-7818INTERCHANGEABLE
TERMINAL,LUG

Frequently Asked Questions

What is NSN 3110-00-540-4668?

NSN 3110-00-540-4668 is a Bearing,ball,annular, manufactured by Naval Sea Systems Command, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-540-4668?

NSN 3110-00-540-4668 has 24 cross-referenced part numbers: 201KT2 (Timken Co Div the Timken Company), FLB13 (Skf Usa Inc.), 126S (Themac Inc), WC8013X1 (General Motors Llc Dba General Motors Llc), CWC8013 (General Motors Corp) and 19 more.

What NSN replaces 3110-00-540-4668?

There are 6 known substitutes for 3110-00-540-4668: 4520-00-257-5228, 5930-00-258-9991, 4940-00-741-0940 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202554-30?

Key specifications for 202554-30: Overall Outside Diameter: 32.00 MILLIMETERS NOMINAL MM; Outer Ring Width: 0.5000 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.1; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-540-4668 still in active supply?

NSN 3110-00-540-4668 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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