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Technical Data Sheet
PartsTable / COMPONENT / A729
A729 ✓ 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,THRUST is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, barrel_style: STRAIGHT ROUND TYPE, flange_style: FLANGE, barrel_height: 0.500 INCHES NOMINAL IN, surface_treatment: NICKEL OVERALL, barrel_outside_diameter: 0.110 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 3110-00-158-6191, 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
A729
NSN: 3110-00-158-6191
FSC: 3110
CAGE: 00658 — ABC ACQUISITION COMPANY DBA AETNA BEARING COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
barrel_height0.500 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
barrel_outside_diameter0.110 INCHES NOMINAL IN
flange_outside_diameter0.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN3110-00-158-6191
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A729 · 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
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL BAND
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBANDED OD; WASHERS OVERLAP
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
MATERIALSTEEL BAND
MATERIALSTEEL WASHER
MATERIALSTEEL BALL
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
0463Interchangeable
interchangeable cross-reference
interchangeable
21410CInterchangeable
interchangeable cross-reference
interchangeable
1980Interchangeable
interchangeable cross-reference
interchangeable
3038-9012PC4Interchangeable
interchangeable cross-reference
interchangeable
4Interchangeable
interchangeable cross-reference
interchangeable
6R4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A729?
A729 is a BEARING,BALL,THRUST.
What parts can replace A729?
There are 23 known substitutes for A729: 0463, 21410C, 1980 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A729?
A729 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6191. 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