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Technical Data Sheet
PartsTable / COMPONENT / AC 539
AC 539 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include end_item_identification: 6515-01-473-2040; VIDEO PROCESSOR, ENDOSCOPIC SYSTEM, P/N EPM-3300, part_name_assigned_by_controlling_agency: SCOPE CONNECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4327, 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
AC 539
NSN: 3110-00-142-4327
FSC: 3110
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
end_item_identification6515-01-473-2040; VIDEO PROCESSOR, ENDOSCOPIC SYSTEM, P/N EPM-3300
part_name_assigned_by_controlling_agencySCOPE CONNECTOR
NSN3110-00-142-4327
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AC 539 · OEM ⚠ 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
•
LOAD DIRECTION: RADIAL
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
INNER RING WIDTH: 0.2810 INCHES NOMINAL IN
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 1.1875 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.2810 INCHES NOMINAL IN
BORE DIAMETER0.7500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.1875 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
35584052Interchangeable
interchangeable cross-reference
interchangeable
DC539Interchangeable
interchangeable cross-reference
interchangeable
261SJ13Interchangeable
interchangeable cross-reference
interchangeable
P2247Interchangeable
interchangeable cross-reference
interchangeable
11A8541Interchangeable
interchangeable cross-reference
interchangeable
4NFG01086Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC 539?
AC 539 is a BEARING,BALL,AIRFRAME.
What parts can replace AC 539?
There are 15 known substitutes for AC 539: 35584052, DC539, 261SJ13 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AC 539?
AC 539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4327. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026