PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00239Bearing,plain,self-Aligning

Lawrence Co the · NSN 3120-00-063-5988 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-063-5988 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-063-5988. Primary manufacturer part number: 00239.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Inner Member Width: 1.0880 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
  • Bore Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
  • Lubrication Feature: PERFORATION OUTER RACE MEMBER
  • Material: STEEL COMP 4130 OUTER RACE MEMBER
  • Surface Treatment: CADMIUM OUTER RACE MEMBER
  • Material: STEEL COMP E52100 INNER MEMBER
  • Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4130 Outer Race Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-063-5988, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lawrence Co the. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-063-5988
Primary Part Number00239
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLawrence Co the
StatusCANCELLED
Inner Member Width1.0880 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN
Bore Diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Lubrication FeaturePERFORATION OUTER RACE MEMBER
MaterialSTEEL COMP 4130 OUTER RACE MEMBER
Surface TreatmentCADMIUM OUTER RACE MEMBER
MaterialSTEEL COMP E52100 INNER MEMBER
Lubrication FeatureGROOVE EXTERNAL OUTER MEMBER
Outer Member Width0.9370 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM OR NICKEL INNER MEMBER
Style DesignatorWITHOUT INSERT OR LINER
Outer Member Outside Diameter1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Static Radial Load Rating179000 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5905-00-185-7276 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
3120-00-728-1033C0R12 INTERCHANGEABLE
Bearing,plain,self-Aligning
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
3120-00-858-253900239 INTERCHANGEABLE
Bearing,spherical
Defense Logistics Agency Dba Defense Supply Center Philadelphia
8040-01-295-356620420 INTERCHANGEABLE
Adhesive
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
00239 PRIMARY Lawrence Co the (USA)
KWB20-1SGD4 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
Related Parts
5905-00-185-7276INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
3120-00-728-1033INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
C0R12
3120-00-858-2539INTERCHANGEABLE
BEARING,SPHERICAL
00239
8040-01-295-3566INTERCHANGEABLE
ADHESIVE
20420

Frequently Asked Questions

What is NSN 3120-00-063-5988?

NSN 3120-00-063-5988 is a Bearing,plain,self-Aligning, manufactured by Lawrence Co the, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-063-5988?

NSN 3120-00-063-5988 has 2 cross-referenced part numbers: 00239 (Lawrence Co the), KWB20-1SGD4 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings).

What NSN replaces 3120-00-063-5988?

There are 4 known substitutes for 3120-00-063-5988: 5905-00-185-7276, 3120-00-728-1033, 3120-00-858-2539 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00239?

Key specifications for 00239: Inner Member Width: 1.0880 INCHES MINIMUM AND 1.0930 INCHES MAXIMUM IN; Bore Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Lubrication Feature: PERFORATION OUTER RACE MEMBER; Material: STEEL COMP 4130 OUTER RACE MEMBER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-063-5988 still in active supply?

NSN 3120-00-063-5988 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.
PartsTable Design LLC · partstable.com