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PartsTable / COMPONENT / NAS502-12
NAS502-12 ✓ 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, ring_style: INTERNAL, usage_design: INTERNAL, bore_diameter: 0.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2808, 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
NAS502-12
NSN: 3110-00-227-2808
FSC: 3110
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
bore_diameter0.7500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
major_thickness0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
strength_ratingERR-060
inner_ring_width1.0000 INCHES NOMINAL IN
outer_ring_width0.8750 INCHES NOMINAL IN
outside_diameter2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN
special_featuresOIL HOLE AND GROOVE IN INNER RING
NSN3110-00-227-2808
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: NAS502-12 · 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
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
INNER RING WIDTH: 1.0000 INCHES NOMINAL IN
•
OUTER RING WIDTH: 0.8750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.7500 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
INNER RING WIDTH1.0000 INCHES NOMINAL IN
OUTER RING WIDTH0.8750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
SPECIAL FEATURESOIL HOLE AND GROOVE IN INNER RING
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A2471Interchangeable
interchangeable cross-reference
interchangeable
24465-10Interchangeable
interchangeable cross-reference
interchangeable
MS24465-10Interchangeable
interchangeable cross-reference
interchangeable
AS39901Interchangeable
interchangeable cross-reference
interchangeable
MS24465-20Interchangeable
interchangeable cross-reference
interchangeable
S6435-60151-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS502-12?
NAS502-12 is a BEARING,ROLLER,NEEDLE.
What parts can replace NAS502-12?
There are 14 known substitutes for NAS502-12: A2471, 24465-10, MS24465-10 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS502-12?
NAS502-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2808. 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