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Technical Data Sheet
PartsTable / COMPONENT / A2-103
A2-103 ✓ 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 DISK,CLUTCH,VEHICULAR is a the manufacturer industrial component. Key specifications include phase: SINGLE, width: 8.875 INCHES NOMINAL IN, height: 8.875 INCHES NOMINAL IN, length: 4.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY OR STEEL BLADE, drive_type: DIRECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9144, 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
A2-103
NSN: 3110-00-155-9144
FSC: 3110
CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
phaseSINGLE
width8.875 INCHES NOMINAL IN
height8.875 INCHES NOMINAL IN
length4.500 INCHES NOMINAL IN
materialALUMINUM ALLOY OR STEEL BLADE
drive_typeDIRECT
air_flow_rate450.0 CUBIC FEET PER MINUTE MAXIMUM
alignment_typeRIGID
flow_directionOUTWARD
inclosure_typeFULLY INCLOSED
overall_height0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
surface_finishGROUND
NSN3110-00-155-9144
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A2-103 · 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
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
SURFACE FINISH: GROUND
•
ALIGNMENT TYPE: RIGID
•
OVERALL OUTSIDE DIAMETER: 1.3418 INCHES MINIMUM AND 1.3438 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
BORE SMALLEST DIAMETER: 0.6290 INCHES MINIMUM AND 0.6310 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER1.3418 INCHES MINIMUM AND 1.3438 INCHES MAXIMUM IN
OVERALL HEIGHT0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
BORE SMALLEST DIAMETER0.6290 INCHES MINIMUM AND 0.6310 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT RACE SURFACE, STAGGERED BALL RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MS16562-243Interchangeable
interchangeable cross-reference
interchangeable
MS171622Interchangeable
interchangeable cross-reference
interchangeable
T15793Interchangeable
interchangeable cross-reference
interchangeable
10P704Interchangeable
interchangeable cross-reference
interchangeable
374991C11Interchangeable
interchangeable cross-reference
interchangeable
W55-1 3-4INB0REInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2-103?
A2-103 is a DISK,CLUTCH,VEHICULAR.
What parts can replace A2-103?
There are 18 known substitutes for A2-103: MS16562-243, MS171622, T15793 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2-103?
A2-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9144. 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