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Technical Data Sheet
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515208 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
EMSA · TAPERED BEARING
PRODUCT OVERVIEW

515208: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a EMSA industrial component. Key specifications include part_name_assigned_by_controlling_agency: ELEMENT, AIR FILTER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-935-5652, 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
515208
NSN: 3110-00-935-5652
NIINs: 009355652, 015038769
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyELEMENT, AIR FILTER
NSN3110-00-935-5652
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 515208 · EMSA ⚠ 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0032 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0032 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING
OVERALL WIDTH0.8650 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER108.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 515208?
515208 is a BEARING,ROLLER,CYLINDRICAL manufactured by EMSA.
What is the NSN for 515208?
515208 is cataloged in the U.S. Government catalog under NSN 3110-00-935-5652. 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.