PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76859Bearing,plain,self-Aligning

Rbc Transport Dynamics Corp Div Rbc Transport Dynamics · NSN 3120-01-040-4860 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-040-4860 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-040-4860. Primary manufacturer part number: 76859.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Inner Member Width: 1.4980 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
  • Material: PLASTIC BORE LINER
  • Material: STEEL COMP 630 OUTER RACE MEMBER
  • Surface Treatment: CADMIUM OUTER RACE MEMBER
  • Material: STEEL COMP 440C INNER MEMBER
  • Style Designator: WITH INSERT AND/OR LINER
  • Bore Diameter: 2.3117 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Bore Liner construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-040-4860, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-040-4860
Primary Part Number76859
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Transport Dynamics Corp Div Rbc Transport Dynamics
StatusACTIVE
Inner Member Width1.4980 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
MaterialPLASTIC BORE LINER
MaterialSTEEL COMP 630 OUTER RACE MEMBER
Surface TreatmentCADMIUM OUTER RACE MEMBER
MaterialSTEEL COMP 440C INNER MEMBER
Style DesignatorWITH INSERT AND/OR LINER
Bore Diameter2.3117 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
Outer Member Width1.3800 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
Hardness Rating30.0 ROCKWELL C NOMINAL OUTER RACE MEMBER
Hardness Rating56.0 ROCKWELL C NOMINAL INNER MEMBER
Outer Member Outside Diameter3.2490 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
Static Radial Load Rating235000 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-00-142-48498822146 INTERCHANGEABLE
Fuse,cartridge
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
4820-01-396-1942AT149811 INTERCHANGEABLE
Valve,safety Relief
Deere & Company Dba Deere John Co
Cross-Reference Index
Part NumberManufacturer
LDS37E-151 Rbc Specline Inc Dba Specline Inc (USA)
76859 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
KMDB37-2 Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
Related Parts
5920-00-142-4849INTERCHANGEABLE
FUSE,CARTRIDGE
8822146
4820-01-396-1942INTERCHANGEABLE
VALVE,SAFETY RELIEF
AT149811

Frequently Asked Questions

What is NSN 3120-01-040-4860?

NSN 3120-01-040-4860 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 3120-01-040-4860?

NSN 3120-01-040-4860 has 3 cross-referenced part numbers: LDS37E-151 (Rbc Specline Inc Dba Specline Inc), 76859 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), KMDB37-2 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings).

What NSN replaces 3120-01-040-4860?

There are 2 known substitutes for 3120-01-040-4860: 5920-00-142-4849, 4820-01-396-1942. Verify interchangeability with system specifications before substitution.

What are the specifications of 76859?

Key specifications for 76859: Inner Member Width: 1.4980 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN; Material: PLASTIC BORE LINER; Material: STEEL COMP 630 OUTER RACE MEMBER; Surface Treatment: CADMIUM OUTER RACE MEMBER. 12 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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