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SD4489 — RING,BEARING,OUTER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SD4489: RING,BEARING,OUTER.

The RING,BEARING,OUTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 3.5000 INCHES NOMINAL IN, overall_width: 1.3125 INCHES NOMINAL IN, surface_finish: GROUND, special_features: OIL HOLES, style_designator: SOLID OUTER RACE, JOURNAL AND NEEDLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-8431, 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
SD4489
NSN: 3110-00-156-8431
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter3.5000 INCHES NOMINAL IN
overall_width1.3125 INCHES NOMINAL IN
surface_finishGROUND
special_featuresOIL HOLES
style_designatorSOLID OUTER RACE, JOURNAL AND NEEDLE
overall_outside_diameter100.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
NSN3110-00-156-8431
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SD4489 · 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
•
STYLE DESIGNATOR: SOLID OUTER RACE, JOURNAL AND NEEDLE
•
OVERALL OUTSIDE DIAMETER: 100.0 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
•
BORE DIAMETER: 3.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORSOLID OUTER RACE, JOURNAL AND NEEDLE
OVERALL WIDTH1.3125 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER100.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESOIL HOLES
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
BORE DIAMETER3.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
141810Reference document
Same NSN cross-reference
Reference document — Secondary reference
0R211Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SD4489?
SD4489 is a RING,BEARING,OUTER.
What parts can replace SD4489?
There are 2 known substitutes for SD4489: 141810, 0R211. Substitute compatibility should be verified for your specific system.
What is the NSN for SD4489?
SD4489 is cataloged in the U.S. Government catalog under NSN 3110-00-156-8431. 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.