PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305581Bearing,ball,annular

Rcl Components, Inc. · NSN 3110-01-366-3623 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-366-3623 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-366-3623. Primary manufacturer part number: 305581.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.7500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Load Direction: RADIAL
  • Outer Ring Outside Diameter: 2.0000 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Seal Quantity: 2
  • Flange Outside Diameter: 2.1250 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-366-3623, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rcl Components, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN3110-01-366-3623
Primary Part Number305581
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRcl Components, Inc.
StatusACTIVE
Bore Diameter0.7500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Load DirectionRADIAL
Outer Ring Outside Diameter2.0000 INCHES NOMINAL IN
Surface FinishGROUND
Seal Quantity2
Flange Outside Diameter2.1250 INCHES NOMINAL IN
Outer Ring Width0.5310 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-764-7516305581 INTERCHANGEABLE
Bearing,washer,thrust
Brp Us Inc
5340-01-550-4845 INTERCHANGEABLE
Mount,resilient,utility
5998-01-653-812630558-1 INTERCHANGEABLE
Circuit Card Assembly
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
305581 PRIMARY Rcl Components, Inc. (USA)
64FHZ48PP Lutco Bearings Inc (USA)
SW24782 Lunquist Tool and Mfg Corp (USA)
SW24782 Drs Sustainment Systems Inc (USA)
64FHZ48PP Lunquist Tool and Mfg Corp (USA)
Related Parts
3120-00-764-7516INTERCHANGEABLE
BEARING,WASHER,THRUST
305581
5340-01-550-4845INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
5998-01-653-8126INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
30558-1

Frequently Asked Questions

What is NSN 3110-01-366-3623?

NSN 3110-01-366-3623 is a Bearing,ball,annular, manufactured by Rcl Components, Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-366-3623?

NSN 3110-01-366-3623 has 5 cross-referenced part numbers: 305581 (Rcl Components, Inc.), 64FHZ48PP (Lutco Bearings Inc), SW24782 (Lunquist Tool and Mfg Corp), SW24782 (Drs Sustainment Systems Inc), 64FHZ48PP (Lunquist Tool and Mfg Corp).

What NSN replaces 3110-01-366-3623?

There are 3 known substitutes for 3110-01-366-3623: 3120-00-764-7516, 5340-01-550-4845, 5998-01-653-8126. Verify interchangeability with system specifications before substitution.

What are the specifications of 305581?

Key specifications for 305581: Bore Diameter: 0.7500 INCHES NOMINAL IN; Material: STEEL OVERALL; Load Direction: RADIAL; Outer Ring Outside Diameter: 2.0000 INCHES NOMINAL IN. 10 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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