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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/05J09C3D
FF-B-171/05J09C3D ✓ 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-171/05J09C3D is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-392-0787, 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-171/05J09C3D
NSN: 3110-00-392-0787
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/05J09C3D
NSN3110-00-392-0787
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/05J09C3D · 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 DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
MATERIALSTEEL COMP E52100 OVERALL
SPECIAL FEATURESELECTRIC MOTOR QUALITY; HEAT STABILIZED FOR OPERATION AT 250 DEG F DEGF
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONLOOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
610697Interchangeable
interchangeable cross-reference
interchangeable
900553Interchangeable
interchangeable cross-reference
interchangeable
25T819D7Interchangeable
interchangeable cross-reference
interchangeable
308KDDFS160Interchangeable
interchangeable cross-reference
interchangeable
308SFFB107A006A75C0000-0Interchangeable
interchangeable cross-reference
interchangeable
77608X1MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/05J09C3D?
FF-B-171/05J09C3D is a FF-B-171/05J09C3D.
What parts can replace FF-B-171/05J09C3D?
There are 34 known substitutes for FF-B-171/05J09C3D: 610697, 900553, 25T819D7 and 31 more. Substitute compatibility should be verified for your specific system.
Is FF-B-171/05J09C3D still available?
FF-B-171/05J09C3D 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