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4059298 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4059298: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 RETAINER, bore_shape: STRAIGHT, bore_diameter: 6.4957 INCHES MINIMUM AND 6.4961 INCHES MAXIMUM IN, overall_width: 1.3750 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-137-2472, 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
4059298
NSN: 3110-01-137-2472
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 RETAINER
bore_shapeSTRAIGHT
bore_diameter6.4957 INCHES MINIMUM AND 6.4961 INCHES MAXIMUM IN
overall_width1.3750 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSOLID INNER AND OUTER RACES
internal_clearance0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN
supplementary_featuresEACH ASSEMBLY CONTAINS AN INNER RACE,AN OUTER RACE,A ROLLER CAGE,AND A SET OF ROLLERS
end_item_identificationACFT ENG F100 NO.4 BEARING
overall_outside_diameter8.8578 INCHES MINIMUM AND 8.8583 INCHES MAXIMUM IN
standard_tolerance_designationRBEC NO.5
NSN3110-01-137-2472
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4059298 · 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
•
INTERNAL CLEARANCE: 0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
SUPPLEMENTARY FEATURES: EACH ASSEMBLY CONTAINS AN INNER RACE,AN OUTER RACE,A ROLLER CAGE,AND A SET OF ROLLERS
•
STYLE DESIGNATOR: SOLID INNER AND OUTER RACES
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
TECHNICAL CHARACTERISTICS
INTERNAL CLEARANCE0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
SUPPLEMENTARY FEATURESEACH ASSEMBLY CONTAINS AN INNER RACE,AN OUTER RACE,A ROLLER CAGE,AND A SET OF ROLLERS
STYLE DESIGNATORSOLID INNER AND OUTER RACES
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 2ND MATERIAL RESPONSE INNER RING
OVERALL WIDTH1.3750 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER8.8578 INCHES MINIMUM AND 8.8583 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
3110PL2209738Reference document
Same NSN cross-reference
Reference document — Informative reference only
3110PL1775575Reference document
Same NSN cross-reference
Reference document — Informative reference only
3110PL1178710Reference document
Same NSN cross-reference
Reference document — Informative reference only
4059299Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4059297Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4061007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4059298?
4059298 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 4059298?
There are 6 known substitutes for 4059298: 3110PL2209738, 3110PL1775575, 3110PL1178710 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4059298?
4059298 is cataloged in the U.S. Government catalog under NSN 3110-01-137-2472. This indicates validated use in U.S. government and defense supply chains.
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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.