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Technical Data Sheet
PartsTable / COMPONENT / 302-1038P9
302-1038P9 ✓ 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 INNER RING, bore_diameter: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, outer_ring_width: 0.3080 INCHES MINIMUM AND 0.3130 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 3110-00-142-4472, 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
302-1038P9
NSN: 3110-00-142-4472
FSC: 3110
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_diameter0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
outer_ring_width0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
NSN3110-00-142-4472
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 302-1038P9 · 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
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
•
SEAL QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
INNER RING WIDTH: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
LUBRICATION MATERIAL: GREASE
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
SEAL QUANTITY2
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
INNER RING WIDTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
LUBRICATION MATERIALGREASE
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
BORE DIAMETER0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
46474Interchangeable
interchangeable cross-reference
interchangeable
KP8AInterchangeable
interchangeable cross-reference
interchangeable
MS27641-8Interchangeable
interchangeable cross-reference
interchangeable
KP8AA1488Interchangeable
interchangeable cross-reference
interchangeable
KP8AB100B00-0-1 4SF099JInterchangeable
interchangeable cross-reference
interchangeable
KP8AFS160Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 302-1038P9?
302-1038P9 is a BEARING,BALL,AIRFRAME.
What parts can replace 302-1038P9?
There are 16 known substitutes for 302-1038P9: 46474, KP8A, MS27641-8 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 302-1038P9?
302-1038P9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4472. 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