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PartsTable / COMPONENT / KP10AFS428
KP10AFS428 ✓ 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: STEEL COMP E52100 BALL, bore_diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN, outer_ring_width: 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-455-2433, 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
KP10AFS428
NSN: 3110-00-455-2433
FSC: 3110
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
bore_diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
outer_ring_width0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
overall_outside_diameter1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-455-2433
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: KP10AFS428 · 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
•
SEAL QUANTITY: 2
•
OVERALL OUTSIDE DIAMETER: 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
INNER RING WIDTH: 0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
OUTER RING WIDTH: 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
SEAL QUANTITY2
OVERALL OUTSIDE DIAMETER1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
INNER RING WIDTH0.4010 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
OUTER RING WIDTH0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS27641-10Interchangeable
interchangeable cross-reference
interchangeable
AS27641Interchangeable
interchangeable cross-reference
interchangeable
6861226Interchangeable
Same NIIN cross-reference
interchangeable
KP-10-AInterchangeable
Same NIIN cross-reference
interchangeable
6865108Interchangeable
Same NIIN cross-reference
interchangeable
KP10AC3FS160Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KP10AFS428?
KP10AFS428 is a BEARING,BALL,AIRFRAME.
What parts can replace KP10AFS428?
There are 7 known substitutes for KP10AFS428: MS27641-10, AS27641, 6861226 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KP10AFS428?
KP10AFS428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-455-2433. 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