PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB14B6Bearing,plain,self-Aligning

U S Bearings · NSN 3120-00-088-2922 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-088-2922 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-088-2922. Primary manufacturer part number: GB14B6.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Hardness Rating: 36.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
  • Lubrication Feature: GROOVE AND PERFORATION EXTERNAL OUTER MEMBER
  • Surface Treatment: CHROMIUM FLAT BEARING SURFACE
  • Bore Diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Outer Member Width: 0.3120 INCHES NOMINAL IN
  • Material Document and Classification: SAE 52100 81343 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
  • Lubrication Feature: GROOVE AND PERFORATION INTERNAL INNER MEMBER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Race Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-088-2922, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Bearings. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-088-2922
Primary Part NumberGB14B6
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Bearings
StatusACTIVE
Hardness Rating36.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
Lubrication FeatureGROOVE AND PERFORATION EXTERNAL OUTER MEMBER
Surface TreatmentCHROMIUM FLAT BEARING SURFACE
Bore Diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Outer Member Width0.3120 INCHES NOMINAL IN
Material Document and ClassificationSAE 52100 81343 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
Lubrication FeatureGROOVE AND PERFORATION INTERNAL INNER MEMBER
MaterialSTEEL OUTER RACE MEMBER
Style DesignatorWITHOUT INSERT OR LINER
Lubrication FeatureGROOVE INTERNAL OUTER MEMBER
Surface TreatmentCHROMIUM INNER MEMBER
MaterialSTEEL COMP E52100 INNER MEMBER
Inner Member Width0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
Outer Member Outside Diameter0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OUTER RACE MEMBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3120-00-113-06125198502 INTERCHANGEABLE
Bushing,sleeve
Rolls-Royce Solutions America Inc
6680-00-243-9980104A WITH 104AZZ INTERCHANGEABLE
Counter,rotating
L.s. Starrett Company (the) Div Tool Division
3040-00-340-3724SM-B-187080 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2805-00-429-02311706 INTERCHANGEABLE
Shaft
Brinkley Technology Group Llc Dba Hercules Manufacturing
2540-01-191-854914072475 INTERCHANGEABLE
Top Assembly,truck Body,detachab
John Johnson Company
2530-01-268-0274 INTERCHANGEABLE
Caliper,disc Brake
Cross-Reference Index
Part NumberManufacturer
GB14B6 PRIMARY U S Bearings (USA)
GB14B6 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
GB14B6 PRIMARY Roller Bearing Company of America, Inc. (USA)
GB14B6 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
GB14B6 PRIMARY Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA)
HSBG-6-12 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
GB14B6 Northrop Grumman Systems Corporation (USA)
GB14B6 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
LHAE-6G Roller Bearing Company of America, Inc. (USA)
55173 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
RSPG-6A Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA)
HSBG6SP14 New Hampshire Ball Bearings Inc Div Astro Division (USA)
Related Parts
3120-00-113-0612INTERCHANGEABLE
BUSHING,SLEEVE
5198502
6680-00-243-9980INTERCHANGEABLE
COUNTER,ROTATING
104A WITH 104AZZ
3040-00-340-3724INTERCHANGEABLE
SHAFT,SHOULDERED
SM-B-187080
2805-00-429-0231INTERCHANGEABLE
SHAFT
1706
2540-01-191-8549INTERCHANGEABLE
TOP ASSEMBLY,TRUCK BODY,DETACHAB
14072475
2530-01-268-0274INTERCHANGEABLE
CALIPER,DISC BRAKE

Frequently Asked Questions

What is NSN 3120-00-088-2922?

NSN 3120-00-088-2922 is a Bearing,plain,self-Aligning, manufactured by U S Bearings, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-088-2922?

NSN 3120-00-088-2922 has 12 cross-referenced part numbers: GB14B6 (U S Bearings), GB14B6 (New Hampshire Ball Bearings Inc Div Astro Division), GB14B6 (Roller Bearing Company of America, Inc.), GB14B6 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), GB14B6 (Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc) and 7 more.

What NSN replaces 3120-00-088-2922?

There are 6 known substitutes for 3120-00-088-2922: 3120-00-113-0612, 6680-00-243-9980, 3040-00-340-3724 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GB14B6?

Key specifications for GB14B6: Hardness Rating: 36.0 ROCKWELL C NOMINAL OUTER RACE MEMBER; Lubrication Feature: GROOVE AND PERFORATION EXTERNAL OUTER MEMBER; Surface Treatment: CHROMIUM FLAT BEARING SURFACE; Bore Diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. 15 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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