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Technical Data Sheet
PartsTable / COMPONENT / MUA1 1/2
MUA1 1/2 ✓ 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 MUA1 1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-6570, 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
MUA1 1/2
NSN: 3110-00-108-6570
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberMUA1 1/2
NSN3110-00-108-6570
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MUA1 1/2 · 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
•
OUTER RING WIDTH: 18.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OUTER RING WIDTH18.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESWITH DUST CAP AND RETAINING WIRE
STYLE DESIGNATORSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
BORE SHAPESTRAIGHT
OVERALL WIDTH1.6870 INCHES NOMINAL IN
BORE DIAMETER1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER3.1491 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
S1108Interchangeable
interchangeable cross-reference
interchangeable
P0169Interchangeable
interchangeable cross-reference
interchangeable
SI-108Interchangeable
interchangeable cross-reference
interchangeable
4-39761.0000//QInterchangeable
interchangeable cross-reference
interchangeable
6803AS15Interchangeable
interchangeable cross-reference
interchangeable
6803Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MUA1 1/2?
MUA1 1/2 is a MUA1 1/2.
What parts can replace MUA1 1/2?
There are 9 known substitutes for MUA1 1/2: S1108, P0169, SI-108 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MUA1 1/2?
MUA1 1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-6570. 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