PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BS32ATC56E9055Bearing,plain,self-Aligning

Timken Co Div the Timken Company · NSN 3120-00-709-8583 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-709-8583 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-709-8583. Primary manufacturer part number: BS32ATC56E9055.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Material: PLASTIC RACE INSERT
  • Material: STEEL COMP 630 OUTER RACE MEMBER
  • Style Designator: WITH INSERT AND/OR LINER
  • Material: STEEL COMP 440C INNER MEMBER
  • Bore Diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
  • Outer Member Width: 0.7970 INCHES NOMINAL IN
  • Outer Member Outside Diameter: 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Race Insert construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-709-8583, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-709-8583
Primary Part NumberBS32ATC56E9055
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
MaterialPLASTIC RACE INSERT
MaterialSTEEL COMP 630 OUTER RACE MEMBER
Style DesignatorWITH INSERT AND/OR LINER
MaterialSTEEL COMP 440C INNER MEMBER
Bore Diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Outer Member Width0.7970 INCHES NOMINAL IN
Outer Member Outside Diameter1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
Inner Member Width0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-818-1774SCC36846 INTERCHANGEABLE
Splice,conductor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
107RS576-1 The Boeing Company (USA)
BS32ATC56E9055 PRIMARY Timken Co Div the Timken Company (USA)
176134 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
Related Parts
5940-00-818-1774INTERCHANGEABLE
SPLICE,CONDUCTOR
SCC36846

Frequently Asked Questions

What is NSN 3120-00-709-8583?

NSN 3120-00-709-8583 is a Bearing,plain,self-Aligning, manufactured by Timken Co Div the Timken Company, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-709-8583?

NSN 3120-00-709-8583 has 3 cross-referenced part numbers: 107RS576-1 (The Boeing Company), BS32ATC56E9055 (Timken Co Div the Timken Company), 176134 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics).

What NSN replaces 3120-00-709-8583?

There is 1 known substitute for 3120-00-709-8583: 5940-00-818-1774. Verify interchangeability with system specifications before substitution.

What are the specifications of BS32ATC56E9055?

Key specifications for BS32ATC56E9055: Material: PLASTIC RACE INSERT; Material: STEEL COMP 630 OUTER RACE MEMBER; Style Designator: WITH INSERT AND/OR LINER; Material: STEEL COMP 440C INNER MEMBER. 8 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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