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Technical Data Sheet
PartsTable / COMPONENT / K659458-25
K659458-25 ✓ 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,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, bore_diameter: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, alignment_type: RIGID, load_direction: RADIAL, inner_ring_width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, outer_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM 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 3110-00-522-7106, 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
K659458-25
NSN: 3110-00-522-7106
FSC: 3110
CAGE: 84955 — KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
seal_quantity2
alignment_typeRIGID
load_directionRADIAL
inner_ring_width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
overall_outside_diameter1.6245 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-522-7106
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K659458-25 · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
ALIGNMENT TYPE: RIGID
•
BEARING SEAL TYPE: CONTACT
•
INNER RING WIDTH: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
•
SEAL QUANTITY: 2
•
OUTER RING WIDTH: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
ALIGNMENT TYPERIGID
BEARING SEAL TYPECONTACT
INNER RING WIDTH0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
SEAL QUANTITY2
OUTER RING WIDTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
MATERIALSTEEL COMP E52100 INNER RING
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
561-6404325-31Interchangeable
interchangeable cross-reference
interchangeable
MS27641-12Interchangeable
interchangeable cross-reference
interchangeable
AS7949Interchangeable
interchangeable cross-reference
interchangeable
KP12AE8454Interchangeable
Same NIIN cross-reference
interchangeable
3110PL0138775Interchangeable
Same NIIN cross-reference
interchangeable
KP12A-FS464Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K659458-25?
K659458-25 is a BEARING,BALL,AIRFRAME.
What parts can replace K659458-25?
There are 6 known substitutes for K659458-25: 561-6404325-31, MS27641-12, AS7949 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K659458-25?
K659458-25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-522-7106. 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