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Technical Data Sheet
PartsTable / COMPONENT / S3503
S3503 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 0.6875 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-045-3171, 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
S3503
NSN: 3110-00-045-3171
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width0.6875 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresN/O GREASE PLUG
style_designatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
bearing_seal_typeLABYRINTH
lubrication_materialGREASE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
NSN3110-00-045-3171
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S3503 · 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
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MATERIAL: STEEL BALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.6875 INCHES NOMINAL IN
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALSTEEL BALL
MATERIALSTEEL RETAINER
MATERIALSTEEL INNER RING
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
45C39Interchangeable
interchangeable cross-reference
interchangeable
302M0114P001Interchangeable
interchangeable cross-reference
interchangeable
A-A-59595-806JEBEInterchangeable
interchangeable cross-reference
interchangeable
FF-B-171/09J09B2XInterchangeable
interchangeable cross-reference
interchangeable
AA59595-809JBBEInterchangeable
interchangeable cross-reference
interchangeable
W209KLLFS381AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S3503?
S3503 is a BEARING,BALL,ANNULAR.
What parts can replace S3503?
There are 31 known substitutes for S3503: 45C39, 302M0114P001, A-A-59595-806JEBE and 28 more. Substitute compatibility should be verified for your specific system.
Is S3503 still available?
S3503 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026