PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP5055Bearing,plain,self-Aligning

Mpb Corp Div Timken Super Precision · NSN 3120-00-440-8434 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-440-8434 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-440-8434. Primary manufacturer part number: SP5055.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
  • Style Designator: WITH INSERT AND/OR LINER
  • Inner Member Width: 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN
  • Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
  • Outer Member Width: 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Mpb Corp Div Timken Super Precision
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-440-8434, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3120-00-440-8434
Primary Part NumberSP5055
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Outer Member Outside Diameter0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Style DesignatorWITH INSERT AND/OR LINER
Inner Member Width0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN
Bore Diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
Outer Member Width0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-554-3343 INTERCHANGEABLE
Bearing,ball,annular
1680-01-389-4594101471-1 INTERCHANGEABLE
Cushion,lumbar Support,aircraft
Bae Systems Land & Armaments L.p.
5930-01-483-4498SP5055 INTERCHANGEABLE
Switch,pressure
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5930-01-500-5064SP5055 INTERCHANGEABLE
Switch,pressure
Itw Gse Inc.
5331-01-579-1407V90113 INTERCHANGEABLE
O-Ring
Halkey-Roberts Corp Dba Halkey-Roberts Corp
Cross-Reference Index
Part NumberManufacturer
SP5055 PRIMARY Mpb Corp Div Timken Super Precision (USA)
101471-1 Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (USA)
Related Parts
3110-00-554-3343INTERCHANGEABLE
BEARING,BALL,ANNULAR
1680-01-389-4594INTERCHANGEABLE
CUSHION,LUMBAR SUPPORT,AIRCRAFT
101471-1
5930-01-483-4498INTERCHANGEABLE
SWITCH,PRESSURE
SP5055
5930-01-500-5064INTERCHANGEABLE
SWITCH,PRESSURE
SP5055
5331-01-579-1407INTERCHANGEABLE
O-RING
V90113

Frequently Asked Questions

What is NSN 3120-00-440-8434?

NSN 3120-00-440-8434 is a Bearing,plain,self-Aligning, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-440-8434?

NSN 3120-00-440-8434 has 2 cross-referenced part numbers: SP5055 (Mpb Corp Div Timken Super Precision), 101471-1 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems).

What NSN replaces 3120-00-440-8434?

There are 5 known substitutes for 3120-00-440-8434: 3110-00-554-3343, 1680-01-389-4594, 5930-01-483-4498 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SP5055?

Key specifications for SP5055: Outer Member Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN; Style Designator: WITH INSERT AND/OR LINER; Inner Member Width: 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN; Bore Diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN. 5 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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