PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

209-010-449-1Bearing,plain,self-Aligning

Rbc Transport Dynamics Corp Div Rbc Transport Dynamics · NSN 3120-00-986-6125 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-986-6125 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-986-6125. Primary manufacturer part number: 209-010-449-1.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Width: 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
  • Outer Member Outside Diameter: 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
  • Material: STEEL COMP 440C INNER MEMBER
  • Material Document and Classification: 97499209-010-449 MFR REF ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 416 OUTER RACE MEMBER
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Race Liner construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-986-6125, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-986-6125
Primary Part Number209-010-449-1
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Transport Dynamics Corp Div Rbc Transport Dynamics
StatusACTIVE
Outer Member Width1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
Outer Member Outside Diameter2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MaterialSTEEL COMP 440C INNER MEMBER
Material Document and Classification97499209-010-449 MFR REF ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 416 OUTER RACE MEMBER
Surface TreatmentPASSIVATE OVERALL
Inner Member Width1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Bore Diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Surface Treatment Document and Classification97499209-010-449 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorWITH INSERT AND/OR LINER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2915-00-142-27147651-1 INTERCHANGEABLE
Valve,fuel Drain
Parker Hannifin Corporation Div Aerospace Group Headquarters
4820-00-277-1765 INTERCHANGEABLE
Cock,plug
3120-01-046-462876511 INTERCHANGEABLE
Bushing,sleeve
L3harris Technologies, Inc Div Space & Airborne Systems
4730-01-161-015676511 INTERCHANGEABLE
Elbow,pipe
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
209-010-449-1 Bell Textron Inc (USA)
209-010-449-1 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
209-010-449-1 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
ATSB12-4DHS New Hampshire Ball Bearings Inc Div Astro Division (USA)
YTA222 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
76511 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
Related Parts
2915-00-142-2714INTERCHANGEABLE
VALVE,FUEL DRAIN
7651-1
4820-00-277-1765INTERCHANGEABLE
COCK,PLUG
3120-01-046-4628INTERCHANGEABLE
BUSHING,SLEEVE
76511
4730-01-161-0156INTERCHANGEABLE
ELBOW,PIPE
76511

Frequently Asked Questions

What is NSN 3120-00-986-6125?

NSN 3120-00-986-6125 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 3120-00-986-6125?

NSN 3120-00-986-6125 has 6 cross-referenced part numbers: 209-010-449-1 (Bell Textron Inc), 209-010-449-1 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 209-010-449-1 (New Hampshire Ball Bearings Inc Div Astro Division), ATSB12-4DHS (New Hampshire Ball Bearings Inc Div Astro Division), YTA222 (Rexnord Industries, Llc Div Aerosspace Bearing Operation) and 1 more.

What NSN replaces 3120-00-986-6125?

There are 4 known substitutes for 3120-00-986-6125: 2915-00-142-2714, 4820-00-277-1765, 3120-01-046-4628 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 209-010-449-1?

Key specifications for 209-010-449-1: Outer Member Width: 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Outer Member Outside Diameter: 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN; Special Features: BEARING TO BE COMPATABLE WITH FOLLOWING FLUIDS,MIL-J-5624 GRADE JP4,MIL-L-7808 LUBRICATING OIL,MIL-H-5606 HYDRO OIL,MIL-A-8243 ANTI-ICING FLUID AND TRICHLOROETHYLENE; Material: PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER. 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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