PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

706B306P7Bearing,plain,self-Aligning

Roller Bearing Company of America, Inc. · NSN 3120-00-941-3124 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-941-3124 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-941-3124. Primary manufacturer part number: 706B306P7.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Lubrication Feature: PERFORATION OUTER RACE MEMBER
  • Inner Member Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Material: STEEL COMP E52100 INNER MEMBER
  • Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER
  • Material: COPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OUTER RACE MEMBER
  • Outer Member Width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-941-3124, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-941-3124
Primary Part Number706B306P7
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Company of America, Inc.
StatusCANCELLED
Lubrication FeaturePERFORATION OUTER RACE MEMBER
Inner Member Width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Bore Diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 INNER MEMBER
Lubrication FeatureGROOVE EXTERNAL OUTER MEMBER
MaterialCOPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OUTER RACE MEMBER
Outer Member Width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
Style DesignatorWITHOUT INSERT OR LINER
Surface TreatmentCHROMIUM INNER MEMBER
Static Radial Load Rating5000 POUNDS LBS
Outer Member Outside Diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5940-00-144-24332596205 INTERCHANGEABLE
Splice,conductor
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6610-00-515-5845 INTERCHANGEABLE
Indicator,turn and Slip
3120-00-613-1487KLS4-3 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sargent Aerospace & Defense, Llc Dba Kahr Bearings
3120-00-613-1488B4B INTERCHANGEABLE
Bearing,plain,self-Aligning
Roller Bearing Company of America, Inc.
6625-01-114-3476B-4-0 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
706B306P7 PRIMARY Roller Bearing Company of America, Inc. (USA)
706B306P7 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
B4B Roller Bearing Company of America, Inc. (USA)
KLS4-3 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
706B306P7 General Electric Company (USA)
Related Parts
5940-00-144-2433INTERCHANGEABLE
SPLICE,CONDUCTOR
2596205
6610-00-515-5845INTERCHANGEABLE
INDICATOR,TURN AND SLIP
3120-00-613-1487INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
KLS4-3
3120-00-613-1488INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
B4B
6625-01-114-3476INTERCHANGEABLE
LEAD,TEST
B-4-0

Frequently Asked Questions

What is NSN 3120-00-941-3124?

NSN 3120-00-941-3124 is a Bearing,plain,self-Aligning, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-941-3124?

NSN 3120-00-941-3124 has 5 cross-referenced part numbers: 706B306P7 (Roller Bearing Company of America, Inc.), 706B306P7 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), B4B (Roller Bearing Company of America, Inc.), KLS4-3 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), 706B306P7 (General Electric Company).

What NSN replaces 3120-00-941-3124?

There are 5 known substitutes for 3120-00-941-3124: 5940-00-144-2433, 6610-00-515-5845, 3120-00-613-1487 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 706B306P7?

Key specifications for 706B306P7: Lubrication Feature: PERFORATION OUTER RACE MEMBER; Inner Member Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Material: STEEL COMP E52100 INNER MEMBER. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-941-3124 still in active supply?

NSN 3120-00-941-3124 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.
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