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Technical Data Sheet
PartsTable / COMPONENT / 4804439
4804439 ✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, overall_width: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, special_features: TOOTHLESS SPROCKET TYPE OUTER RACE AND OIL HOLE AND GROOVE IN INNER RACE AND SEALS CONTACT TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-5071, 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
4804439
NSN: 3110-00-293-5071
FSC: 3110
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
overall_width0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresTOOTHLESS SPROCKET TYPE OUTER RACE AND OIL HOLE AND GROOVE IN INNER RACE AND SEALS CONTACT TYPE
overall_outside_diameter3.1100 INCHES MINIMUM AND 3.1400 INCHES MAXIMUM IN
NSN3110-00-293-5071
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4804439 · 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
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
OVERALL OUTSIDE DIAMETER: 3.1100 INCHES MINIMUM AND 3.1400 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
•
LOCATING FEATURE: NONLOCATING
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER3.1100 INCHES MINIMUM AND 3.1400 INCHES MAXIMUM IN
BORE DIAMETER1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
SPECIAL FEATURESTOOTHLESS SPROCKET TYPE OUTER RACE AND OIL HOLE AND GROOVE IN INNER RACE AND SEALS CONTACT TYPE
OVERALL WIDTH0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
LOCATING FEATURENONLOCATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
51078Interchangeable
interchangeable cross-reference
interchangeable
15250Interchangeable
interchangeable cross-reference
interchangeable
A3935Interchangeable
interchangeable cross-reference
interchangeable
114DS671-1Interchangeable
interchangeable cross-reference
interchangeable
114DS671-3Interchangeable
interchangeable cross-reference
interchangeable
71063Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4804439?
4804439 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 4804439?
There are 8 known substitutes for 4804439: 51078, 15250, A3935 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4804439?
4804439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-5071. 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