PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203581-6Bearing,roller,radial and Thrust

Naval Sea Systems Command · NSN 3110-00-227-4907 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-4907 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-4907. Primary manufacturer part number: 203581-6.
Features
  • Bearing,roller,radial and Thrust — FSC 3110
  • Material: STEEL ROLLER
  • Material: STEEL WASHER
  • Material: STEEL OUTER RING
  • Style Designator: ROLLER, RADIAL AND THRUST
  • Material: COPPER ALLOY RETAINER
  • Material: COPPER ALLOY THRUST RETAINER
  • Material: STEEL INNER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,radial and Thrust, cataloged under National Stock Number 3110-00-227-4907, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-4907
Primary Part Number203581-6
Item NameBearing,roller,radial and Thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialSTEEL ROLLER
MaterialSTEEL WASHER
MaterialSTEEL OUTER RING
Style DesignatorROLLER, RADIAL AND THRUST
MaterialCOPPER ALLOY RETAINER
MaterialCOPPER ALLOY THRUST RETAINER
MaterialSTEEL INNER RING
Bore Smallest Diameter4.5000 INCHES NOMINAL IN
Thrust Unit Outside Diameter7.2510 INCHES NOMINAL IN
Outer Ring Outside Diameter8.6280 INCHES NOMINAL IN
Largest Bore Diameter5.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2925-00-295-1993 INTERCHANGEABLE
End Bell,electrical Rotating Equ
5985-00-404-2230SCB27434 INTERCHANGEABLE
Support,antenna
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-417-4376373304-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
2530-00-734-91327349132 INTERCHANGEABLE
Arm Steering Asy
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-769-5116 INTERCHANGEABLE
Transformer,current
5365-01-303-160217104 INTERCHANGEABLE
Bushing Blank
Coffin Turbo Pump Inc
4710-01-359-135117104 INTERCHANGEABLE
Pipe,bent,metallic
Grove R B Inc
5305-01-388-1944 INTERCHANGEABLE
Screw,machine
5998-01-442-504317104 INTERCHANGEABLE
Circuit Card Assembly
Mekel Technology, Inc.
6115-01-564-0721171-04 INTERCHANGEABLE
Parts Kit,electrical Generator
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
399181PC109 Naval Ship Systems Command (USA)
50372-15ITEM3 Eaton Aerospace, Llc Dba Jackson South (USA)
433644PC110 Naval Ship Systems Command (USA)
379900PC103 Naval Ship Systems Command (USA)
418962PC101 Naval Ship Systems Command (USA)
41-221-635PC101 Tampa Shipyards Inc (USA)
CVE105S2200-271825PC92 Naval Ship Systems Command (USA)
40257ITEM3 Eaton Aerospace, Llc Dba Jackson South (USA)
17104 Eaton Aerospace, Llc Dba Jackson South (USA)
T-139-906 Regal Beloit America, Inc. Dba Rollway Bearing (USA)
X1484 Regal Beloit America, Inc. Dba Rollway Bearing (USA)
567039LAITEM3 Naval Ship Systems Command (USA)
CVL48S1701-717912ITEM3 Naval Ship Systems Command (USA)
424085LAPC101 Naval Ship Systems Command (USA)
424086PC101 Naval Ship Systems Command (USA)
CVL48S1701-717891PC35 Naval Ship Systems Command (USA)
278577PC66 Naval Ship Systems Command (USA)
41747-1PC101 Eaton Aerospace, Llc Dba Jackson South (USA)
42852-21PC71 Eaton Aerospace, Llc Dba Jackson South (USA)
46203-1PC101 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
2925-00-295-1993INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5985-00-404-2230INTERCHANGEABLE
SUPPORT,ANTENNA
SCB27434
5950-00-417-4376INTERCHANGEABLE
TRANSFORMER,POWER
373304-1
2530-00-734-9132INTERCHANGEABLE
ARM STEERING ASY
7349132
5950-00-769-5116INTERCHANGEABLE
TRANSFORMER,CURRENT
5365-01-303-1602INTERCHANGEABLE
BUSHING BLANK
17104
4710-01-359-1351INTERCHANGEABLE
PIPE,BENT,METALLIC
17104
5305-01-388-1944INTERCHANGEABLE
SCREW,MACHINE
5998-01-442-5043INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
17104
6115-01-564-0721INTERCHANGEABLE
PARTS KIT,ELECTRICAL GENERATOR
171-04
6515-01-590-2322INTERCHANGEABLE
SCREW,BONE
202.870

Frequently Asked Questions

What is NSN 3110-00-227-4907?

NSN 3110-00-227-4907 is a Bearing,roller,radial and Thrust, manufactured by Naval Sea Systems Command, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-4907?

NSN 3110-00-227-4907 has 50 cross-referenced part numbers: 399181PC109 (Naval Ship Systems Command), 50372-15ITEM3 (Eaton Aerospace, Llc Dba Jackson South), 433644PC110 (Naval Ship Systems Command), 379900PC103 (Naval Ship Systems Command), 418962PC101 (Naval Ship Systems Command) and 45 more.

What NSN replaces 3110-00-227-4907?

There are 11 known substitutes for 3110-00-227-4907: 2925-00-295-1993, 5985-00-404-2230, 5950-00-417-4376 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203581-6?

Key specifications for 203581-6: Material: STEEL ROLLER; Material: STEEL WASHER; Material: STEEL OUTER RING; Style Designator: ROLLER, RADIAL AND THRUST. 13 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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