PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASSB24-55Bearing,plain,self-Aligning

New Hampshire Ball Bearings Inc Div Astro Division · NSN 3120-00-959-0511 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-959-0511 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-959-0511. Primary manufacturer part number: ASSB24-55.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Static Radial Load Rating: 57000 POUNDS LBS
  • Bore Diameter: 1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
  • Outer Member Outside Diameter: 2.4320 INCHES MINIMUM AND 2.4325 INCHES MAXIMUM IN
  • Outer Member Width: 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
  • Style Designator: WITHOUT INSERT OR LINER
  • Inner Member Width: 1.0950 INCHES MINIMUM AND 1.1000 INCHES MAXIMUM IN
  • 6 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-959-0511, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-959-0511
Primary Part NumberASSB24-55
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Astro Division
StatusACTIVE
Static Radial Load Rating57000 POUNDS LBS
Bore Diameter1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Outer Member Outside Diameter2.4320 INCHES MINIMUM AND 2.4325 INCHES MAXIMUM IN
Outer Member Width0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
Style DesignatorWITHOUT INSERT OR LINER
Inner Member Width1.0950 INCHES MINIMUM AND 1.1000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8145-01-512-1017190122890 INTERCHANGEABLE
Support,shipping and Storage Con
Sharkcage Inc.
6220-01-565-944555298 INTERCHANGEABLE
Light,backup
Saginaw Products Corporation Dba Cignys
7690-01-707-850155298 INTERCHANGEABLE
Marker,identification
J. J. Keller & Associates, Inc. Dba Jj Keller & Associates Inc
Cross-Reference Index
Part NumberManufacturer
ASSB24-55 PRIMARY New Hampshire Ball Bearings Inc Div Astro Division (USA)
55298 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
LHSS24-35A PRIMARY Roller Bearing Company of America, Inc. (USA)
C347-4 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
KSSB24-37 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
HSP24-347 PRIMARY U S Bearings (USA)
Related Parts
8145-01-512-1017INTERCHANGEABLE
SUPPORT,SHIPPING AND STORAGE CON
190122890
6220-01-565-9445INTERCHANGEABLE
LIGHT,BACKUP
55298
7690-01-707-8501INTERCHANGEABLE
MARKER,IDENTIFICATION
55298

Frequently Asked Questions

What is NSN 3120-00-959-0511?

NSN 3120-00-959-0511 is a Bearing,plain,self-Aligning, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-959-0511?

NSN 3120-00-959-0511 has 6 cross-referenced part numbers: ASSB24-55 (New Hampshire Ball Bearings Inc Div Astro Division), 55298 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), LHSS24-35A (Roller Bearing Company of America, Inc.), C347-4 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), KSSB24-37 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings) and 1 more.

What NSN replaces 3120-00-959-0511?

There are 3 known substitutes for 3120-00-959-0511: 8145-01-512-1017, 6220-01-565-9445, 7690-01-707-8501. Verify interchangeability with system specifications before substitution.

What are the specifications of ASSB24-55?

Key specifications for ASSB24-55: Static Radial Load Rating: 57000 POUNDS LBS; Bore Diameter: 1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN; Outer Member Outside Diameter: 2.4320 INCHES MINIMUM AND 2.4325 INCHES MAXIMUM IN; Outer Member Width: 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN. 6 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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