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6499-304632-1 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6499-304632-1: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATION, bore_diameter: 6.0000 INCHES NOMINAL IN, contact_angle: 27.0 DEGREES MINIMUM AND 33.0 DEGREES MAXIMUM, overall_width: 0.7250 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-321-0597, 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
6499-304632-1
NSN: 3110-01-321-0597
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 80070 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- C6ISR (USA)
SPECIFICATIONS
materialOIL LUBRICATION
bore_diameter6.0000 INCHES NOMINAL IN
contact_angle27.0 DEGREES MINIMUM AND 33.0 DEGREES MAXIMUM
overall_width0.7250 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
special_featuresLUBRICATION BY DIP BEARING IN OIL-REMOVE AND CENTRIFUGE AT 50G'S FOR 1 MIN; STARTING TORQUE-10 IN. OUNCES MAX WITH 20 LBS RADIAL LOAD APPLIED LBS
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
overall_outside_diameter6.5000 INCHES NOMINAL IN
retainer_fabrication_methodWIRE FORMED
standard_tolerance_designationABEC NO.5
material_document_and_classificationUNABLE TO DECODE
NSN3110-01-321-0597
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6499-304632-1 · 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: WIRE FORMED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
OVERALL OUTSIDE DIAMETER: 6.5000 INCHES NOMINAL IN
•
CONTACT ANGLE: 27.0 DEGREES MINIMUM AND 33.0 DEGREES MAXIMUM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODWIRE FORMED
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH0.7250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.5000 INCHES NOMINAL IN
CONTACT ANGLE27.0 DEGREES MINIMUM AND 33.0 DEGREES MAXIMUM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESLUBRICATION BY DIP BEARING IN OIL-REMOVE AND CENTRIFUGE AT 50G'S FOR 1 MIN; STARTING TORQUE-10 IN. OUNCES MAX WITH 20 LBS RADIAL LOAD APPLIED LBS
STANDARD TOLERANCE DESIGNATIONABEC NO.5
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
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 6499-304632-1?
6499-304632-1 is a BEARING,BALL,DUPLEX.
What is the NSN for 6499-304632-1?
6499-304632-1 is cataloged in the U.S. Government catalog under NSN 3110-01-321-0597. 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.