PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5203KNBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-156-4674 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4674 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4674. Primary manufacturer part number: 5203KN.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: ANGULAR
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.1
  • Internal Fit-Up Designation: STANDARD
  • Departure From Cited Designator: AS MODIFIED BY OVERALL WIDTH
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Nondefinitive Spec/std Data: 143 TYPE AND 00 GRADE
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 3110-00-156-4674, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN3110-00-156-4674
Primary Part Number5203KN
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Load DirectionANGULAR
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Departure From Cited DesignatorAS MODIFIED BY OVERALL WIDTH
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data143 TYPE AND 00 GRADE
Departure From Cited DesignatorAS MODIFIED BY OVERALL WIDTH
MaterialSTEEL OVERALL
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Nondefinitive Spec/std Data143 TYPE AND 00 GRADE
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Bore ShapeSTRAIGHT
Bore ShapeSTRAIGHT
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Load DirectionANGULAR
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-071-7553579R437H01 INTERCHANGEABLE
Electron Tube
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6530-00-104-7552 INTERCHANGEABLE
Tubing,sterilization
7530-00-191-49968203 INTERCHANGEABLE
Chart,recording Instrument
Ashcroft Inc Dba Heise
5945-00-261-79278-203 INTERCHANGEABLE
Relay,solid State
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5305-00-365-25518203 INTERCHANGEABLE
Setscrew
Cummins Inc.
5935-00-642-53315917 INTERCHANGEABLE
Adapter,lampholder to Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5365-00-680-87218203 INTERCHANGEABLE
Shim
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
1660-00-692-39438203 INTERCHANGEABLE
Valve Assy,o,ygen M
Acushnet Rubber Company, Inc. Dba Precix
1650-00-723-58068203 INTERCHANGEABLE
Snubber,restrictor
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5930-00-755-3059 INTERCHANGEABLE
Switch,pressure
Cross-Reference Index
Part NumberManufacturer
5203K E7855 Timken Co Div the Timken Company (USA)
5203KN PRIMARY Timken Co Div the Timken Company (USA)
C82320 Chicago Pneumatic Tool Co (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5203KNE7855 Timken Co Div the Timken Company (USA)
P9618511-2 General Electric Company (USA)
8203 Timken Co Div the Timken Company (USA)
Related Parts
5960-00-071-7553INTERCHANGEABLE
ELECTRON TUBE
579R437H01
6530-00-104-7552INTERCHANGEABLE
TUBING,STERILIZATION
7530-00-191-4996INTERCHANGEABLE
CHART,RECORDING INSTRUMENT
8203
5945-00-261-7927INTERCHANGEABLE
RELAY,SOLID STATE
8-203
5305-00-365-2551INTERCHANGEABLE
SETSCREW
8203
5935-00-642-5331INTERCHANGEABLE
ADAPTER,LAMPHOLDER TO CONNECTOR
5917
5365-00-680-8721INTERCHANGEABLE
SHIM
8203
1660-00-692-3943INTERCHANGEABLE
VALVE ASSY,O,YGEN M
8203
1650-00-723-5806INTERCHANGEABLE
SNUBBER,RESTRICTOR
8203
5930-00-755-3059INTERCHANGEABLE
SWITCH,PRESSURE
5950-00-943-9432INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6740-01-087-5463INTERCHANGEABLE
ENLARGER,PHOTOGRAPH
45MCX

Frequently Asked Questions

What is NSN 3110-00-156-4674?

NSN 3110-00-156-4674 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4674?

NSN 3110-00-156-4674 has 7 cross-referenced part numbers: 5203K E7855 (Timken Co Div the Timken Company), 5203KN (Timken Co Div the Timken Company), C82320 (Chicago Pneumatic Tool Co), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 5203KNE7855 (Timken Co Div the Timken Company) and 2 more.

What NSN replaces 3110-00-156-4674?

There are 12 known substitutes for 3110-00-156-4674: 5960-00-071-7553, 6530-00-104-7552, 7530-00-191-4996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5203KN?

Key specifications for 5203KN: Load Direction: ANGULAR; Surface Finish: GROUND; Standard Tolerance Designation: ABEC NO.1; Overall Width: 0.5000 INCHES NOMINAL IN. 23 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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