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455990VAA — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

455990VAA: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6690 INCHES NOMINAL IN, surface_finish: GROUND, inner_ring_width: 0.3918 INCHES NOMINAL IN, locating_feature: TWO DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-328-8961, 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
455990VAA
NSN: 3110-01-328-8961
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6690 INCHES NOMINAL IN
surface_finishGROUND
inner_ring_width0.3918 INCHES NOMINAL IN
locating_featureTWO DIRECTION
outer_ring_width0.3917 INCHES NOMINAL IN
style_designatorCYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
fsc_application_dataT56A427 GEAR BOX
overall_outside_diameter1.3780 INCHES NOMINAL IN
internal_fit-up_designationTIGHT
retainer_fabrication_methodMACHINED
NSN3110-01-328-8961
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 455990VAA · 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
•
FSC APPLICATION DATA: T56A427 GEAR BOX
•
OUTER RING WIDTH: 0.3917 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
LOCATING FEATURE: TWO DIRECTION
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 23031576 MFR REF SINGLE MATERIAL RESPONSE OR 455990VAA MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
FSC APPLICATION DATAT56A427 GEAR BOX
OUTER RING WIDTH0.3917 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONTIGHT
LOCATING FEATURETWO DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORCYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION23031576 MFR REF SINGLE MATERIAL RESPONSE OR 455990VAA MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER1.3780 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
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 2
23058576Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
23031576Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 455990VAA?
455990VAA is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 455990VAA?
There are 2 known substitutes for 455990VAA: 23058576, 23031576. Substitute compatibility should be verified for your specific system.
What is the NSN for 455990VAA?
455990VAA is cataloged in the U.S. Government catalog under NSN 3110-01-328-8961. 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.