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Technical Data Sheet
PartsTable / COMPONENT / FFB171/04J03C3D
FFB171/04J03C3D ✓ 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 FFB171/04J03C3D 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 3110-00-004-7201, 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
FFB171/04J03C3D
NSN: 3110-00-004-7201
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB171/04J03C3D
NSN3110-00-004-7201
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB171/04J03C3D · 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
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: SRI 2,FSCM 94548 MFR REF SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL OVERALL
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONSRI 2,FSCM 94548 MFR REF SINGLE MATERIAL RESPONSE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONLOOSE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER40.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
FF-B-171Interchangeable
Same NIIN cross-reference
interchangeable
77503LR1RVInterchangeable
Same NIIN cross-reference
interchangeable
AA59584Interchangeable
Same NIIN cross-reference
interchangeable
AA59584-103JCCLInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB171/04J03C3D?
FFB171/04J03C3D is a FFB171/04J03C3D.
What parts can replace FFB171/04J03C3D?
There are 4 known substitutes for FFB171/04J03C3D: FF-B-171, 77503LR1RV, AA59584 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB171/04J03C3D?
FFB171/04J03C3D is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-004-7201. 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