PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB14D6Bearing,plain,self-Aligning

Rbc Transport Dynamics Corp Div Rbc Transport Dynamics · NSN 3120-00-064-2729 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-064-2729 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-064-2729. Primary manufacturer part number: GB14D6.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Inner Member Width: 0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
  • Static Radial Load Rating: 6800 POUNDS LBS
  • Style Designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE
  • Outer Member Outside Diameter: 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
  • Test Data Document: 81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Outer Member Width: 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
  • Bore Diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-064-2729, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-064-2729
Primary Part NumberGB14D6
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Transport Dynamics Corp Div Rbc Transport Dynamics
StatusACTIVE
Inner Member Width0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
Static Radial Load Rating6800 POUNDS LBS
Style DesignatorWITHOUT INSERT OR LINER WITH STAKING GROOVE
Outer Member Outside Diameter0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
Test Data Document81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Outer Member Width0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
Bore Diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-647-7389A55202 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5330-01-346-048955202 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Templeton Kenly and Co Inc
5331-01-367-16625-5202 INTERCHANGEABLE
O-Ring
Bacharach, Inc.
5120-01-658-7252J55202A INTERCHANGEABLE
Wrench Set,socket
The Stanley Works Dba Stanley Proto
5935-01-690-995055202 INTERCHANGEABLE
Adapter,connector
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
GB14D6 Northrop Grumman Systems Corporation (USA)
GB14D6 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
GB14D6 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
GB14D6 PRIMARY Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA)
HSBG6-13 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
GB14D6 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
ASBG5SP11 New Hampshire Ball Bearings Inc Div Astro Division (USA)
RPG6A1 Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA)
55202 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
GB14D6 PRIMARY U S Bearings (USA)
GB14D6 PRIMARY Roller Bearing Company of America, Inc. (USA)
LHBZ6 Roller Bearing Company of America, Inc. (USA)
Related Parts
5950-00-647-7389INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A55202
5330-01-346-0489INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
55202
5331-01-367-1662INTERCHANGEABLE
O-RING
5-5202
5120-01-658-7252INTERCHANGEABLE
WRENCH SET,SOCKET
J55202A
5935-01-690-9950INTERCHANGEABLE
ADAPTER,CONNECTOR
55202

Frequently Asked Questions

What is NSN 3120-00-064-2729?

NSN 3120-00-064-2729 is a Bearing,plain,self-Aligning, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-064-2729?

NSN 3120-00-064-2729 has 12 cross-referenced part numbers: GB14D6 (Northrop Grumman Systems Corporation), GB14D6 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), GB14D6 (New Hampshire Ball Bearings Inc Div Astro Division), GB14D6 (Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc), HSBG6-13 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings) and 7 more.

What NSN replaces 3120-00-064-2729?

There are 5 known substitutes for 3120-00-064-2729: 5950-00-647-7389, 5330-01-346-0489, 5331-01-367-1662 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GB14D6?

Key specifications for GB14D6: Inner Member Width: 0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN; Static Radial Load Rating: 6800 POUNDS LBS; Style Designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE; Outer Member Outside Diameter: 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN. 7 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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