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Technical Data Sheet
PartsTable / COMPONENT / FFB171/31Y07A2L
FFB171/31Y07A2L ✓ 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 FFB171/31Y07A2L 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 3110-00-101-3051, 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
FFB171/31Y07A2L
NSN: 3110-00-101-3051
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB171/31Y07A2L
NSN3110-00-101-3051
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB171/31Y07A2L · 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
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL INNER RING
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
SURFACE FINISHGROUND
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AA59635-311JABTInterchangeable
interchangeable cross-reference
interchangeable
30411Interchangeable
interchangeable cross-reference
interchangeable
7411Interchangeable
interchangeable cross-reference
interchangeable
FFB171/31M07A2EInterchangeable
Same NIIN cross-reference
interchangeable
7407BYInterchangeable
Same NIIN cross-reference
interchangeable
7407BCBMInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB171/31Y07A2L?
FFB171/31Y07A2L is a FFB171/31Y07A2L.
What parts can replace FFB171/31Y07A2L?
There are 10 known substitutes for FFB171/31Y07A2L: AA59635-311JABT, 30411, 7411 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB171/31Y07A2L?
FFB171/31Y07A2L is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-3051. 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