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Technical Data Sheet
PartsTable / COMPONENT / AA-9952
AA-9952 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 3.7492 INCHES MINIMUM AND 3.7500 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 1.5000 INCHES NOMINAL IN, outer_ring_width: 1.0490 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-184-5420, 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
AA-9952
NSN: 3110-00-184-5420
FSC: 3110
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter3.7492 INCHES MINIMUM AND 3.7500 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width1.5000 INCHES NOMINAL IN
outer_ring_width1.0490 INCHES NOMINAL IN
special_featuresRETAINMENT PLATES HELD IN PLACE BY SNAP RINGS
style_designatorCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
overall_outside_diameter4.6240 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-00-184-5420
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA-9952 · 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: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 3.7492 INCHES MINIMUM AND 3.7500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESRETAINMENT PLATES HELD IN PLACE BY SNAP RINGS
SURFACE FINISHGROUND
STYLE DESIGNATORCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
MATERIALSTEEL OVERALL
ALIGNMENT TYPERIGID
STYLE DESIGNATORCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER3.7492 INCHES MINIMUM AND 3.7500 INCHES MAXIMUM IN
INNER RING WIDTH1.5000 INCHES NOMINAL IN
SPECIAL FEATURESRETAINMENT PLATES HELD IN PLACE BY SNAP RINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
9952Interchangeable
interchangeable cross-reference
interchangeable
822Interchangeable
interchangeable cross-reference
interchangeable
L-T-48Interchangeable
interchangeable cross-reference
interchangeable
PL1255AInterchangeable
interchangeable cross-reference
interchangeable
PL1255Interchangeable
interchangeable cross-reference
interchangeable
OWE-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA-9952?
AA-9952 is a BEARING,ROLLER,NEEDLE.
What parts can replace AA-9952?
There are 12 known substitutes for AA-9952: 9952, 822, L-T-48 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA-9952?
AA-9952 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-184-5420. 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