PartsTable
Technical Data Sheet
Download PDF

339843 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

339843: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 80.0 MILLIMETERS NOMINAL MM, overall_width: 0.8650 INCHES NOMINAL IN, surface_finish: GROUND, locating_feature: NONLOCATING. 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
339843
NSN: 3110-00-935-5652
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter80.0 MILLIMETERS NOMINAL MM
overall_width0.8650 INCHES NOMINAL IN
surface_finishGROUND
locating_featureNONLOCATING
internal_clearance0.0032 INCHES MINIMUM RADIAL AND 0.0038 INCHES MAXIMUM RADIAL IN
overall_outside_diameter108.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
material_document_and_classificationPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
NSN3110-00-935-5652
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 339843 · 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
•
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 1
515208Reference 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
Ready to buy 339843?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 339843?
339843 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 339843?
There is 1 known substitute for 339843: 515208. Substitute compatibility should be verified for your specific system.
What is the NSN for 339843?
339843 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.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 339843

✓ 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.