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Technical Data Sheet
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99309 — BEARING,BALL,ANNULAR

✓ Government record, cited
InLine · MRO · MRO_GENERAL
PRODUCT OVERVIEW

99309: BEARING,BALL,ANNULAR.

For connecting mobile phone headsets / headphones with a 2.5mm jack plug to playback devices with a 3.5mm jack socket, such as MP3 players etc. Key specifications include end_item_identification: DIESEL ENGINE, part_name_assigned_by_controlling_agency: TURNING TOOL, FLYWHEEL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-117-1529, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 99309
NSN: 3110-00-117-1529
NIINs: 001171529, 002813088, 013122038, 013166651, 016172788
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83174 — BERLISS BEARING CO (USA)
SPECIFICATIONS
end_item_identificationDIESEL ENGINE
part_name_assigned_by_controlling_agencyTURNING TOOL, FLYWHEEL
NSN3110-00-117-1529
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 99309 · InLine ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SOLID INNER AND OUTER RACES
•
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
•
BORE DIAMETER: 45.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSOLID INNER AND OUTER RACES
OVERALL WIDTH1.5625 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
SPECIAL FEATURESOIL HOLE IN OUTER RING
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
BORE DIAMETER45.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
309Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99309?
99309 is a BEARING,BALL,ANNULAR manufactured by InLine. It is classified as a MRO (MRO_GENERAL).
What parts can replace 99309?
There is 1 known substitute for 99309: 309. Substitute compatibility should be verified for your specific system.
What is the NSN for 99309?
99309 is cataloged in the U.S. Government catalog under NSN 3110-00-117-1529. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.