PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43509Bearing,ball,annular

Fag Bearings Corporation · NSN 3110-00-158-8258 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-158-8258 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-158-8258. Primary manufacturer part number: 43509.
Features
  • Bearing,ball,annular — FSC 3110
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
  • Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Seal Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-158-8258, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3110-00-158-8258
Primary Part Number43509
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusACTIVE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Load DirectionRADIAL
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Seal Quantity2
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Internal Fit-Up DesignationSTANDARD
Bearing Seal TypeCONTACT
MaterialSTEEL RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
MaterialRUBBER SYNTHETIC SEAL
MaterialSTEEL INNER RING
MaterialSTEEL INNER RING
MaterialSTEEL BALL
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Lubrication MaterialGREASE
MaterialSTEEL OUTER RING
Load DirectionRADIAL
Bearing Seal TypeCONTACT
Seal Quantity2
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3455-00-313-655835182 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
3020-01-384-729643509 INTERCHANGEABLE
Gear,spur
Air Techniques, Inc.
5120-01-398-771100943509000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5330-01-548-8922855001 INTERCHANGEABLE
Retainer,seal
Bourns Inc
6635-01-601-452243509 INTERCHANGEABLE
Magnetic Inspection Unit,portabl
Illinois Tool Works, Inc. Div Magnaflux
Cross-Reference Index
Part NumberManufacturer
43509 PRIMARY Fag Bearings Corporation (USA)
Related Parts
3455-00-313-6558INTERCHANGEABLE
CUTTER,MILLING,END
35182
3020-01-384-7296INTERCHANGEABLE
GEAR,SPUR
43509
5120-01-398-7711INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943509000
5330-01-548-8922INTERCHANGEABLE
RETAINER,SEAL
855001
6635-01-601-4522INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,PORTABL
43509

Frequently Asked Questions

What is NSN 3110-00-158-8258?

NSN 3110-00-158-8258 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-158-8258?

NSN 3110-00-158-8258 has 1 cross-referenced part number: 43509 (Fag Bearings Corporation).

What NSN replaces 3110-00-158-8258?

There are 5 known substitutes for 3110-00-158-8258: 3455-00-313-6558, 3020-01-384-7296, 5120-01-398-7711 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43509?

Key specifications for 43509: Overall Width: 1.1880 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE; Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com