PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/25
FF-B-171/25 ✓ 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 FF-B-171/25 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 3110-00-554-3408, 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
FF-B-171/25
NSN: 3110-00-554-3408
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/25
NSN3110-00-554-3408
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/25 · 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
•
OVERALL OUTSIDE DIAMETER: 62.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER62.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
RETAINER FABRICATION METHODPRESSED
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
CONTACT ANGLE25.0 DEGREES MINIMUM
OVERALL WIDTH16.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
7206Interchangeable
interchangeable cross-reference
interchangeable
922-0585-020Interchangeable
interchangeable cross-reference
interchangeable
MH13Interchangeable
interchangeable cross-reference
interchangeable
6204ZZInterchangeable
interchangeable cross-reference
interchangeable
72-6970-341Interchangeable
interchangeable cross-reference
interchangeable
20504-29Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/25?
FF-B-171/25 is a FF-B-171/25.
What parts can replace FF-B-171/25?
There are 28 known substitutes for FF-B-171/25: 7206, 922-0585-020, MH13 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/25?
FF-B-171/25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3408. 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