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Technical Data Sheet
PartsTable / COMPONENT / FFB171/10J12A3B
FFB171/10J12A3B ✓ 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 FFB171/10J12A3B 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 3110-00-227-3106, 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
FFB171/10J12A3B
NSN: 3110-00-227-3106
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB171/10J12A3B
NSN3110-00-227-3106
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB171/10J12A3B · 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
•
LOAD DIRECTION: RADIAL
•
SEAL QUANTITY: 2
•
INTERNAL CLEARANCE: 0.0060 INCHES MINIMUM AXIAL AND 0.0080 INCHES MAXIMUM AXIAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SEAL QUANTITY2
OVERALL WIDTH2.1250 INCHES NOMINAL IN
INTERNAL CLEARANCE0.0060 INCHES MINIMUM AXIAL AND 0.0080 INCHES MAXIMUM AXIAL IN
SPECIAL FEATURESW/O GREASE PLUG
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BEARING SEAL TYPECONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
405850-53LInterchangeable
interchangeable cross-reference
interchangeable
3110PL0798150Interchangeable
interchangeable cross-reference
interchangeable
25BC33XX3MInterchangeable
interchangeable cross-reference
interchangeable
405850-76BInterchangeable
interchangeable cross-reference
interchangeable
405850-53MInterchangeable
interchangeable cross-reference
interchangeable
30BC33XSS3MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB171/10J12A3B?
FFB171/10J12A3B is a FFB171/10J12A3B.
What parts can replace FFB171/10J12A3B?
There are 29 known substitutes for FFB171/10J12A3B: 405850-53L, 3110PL0798150, 25BC33XX3M and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB171/10J12A3B?
FFB171/10J12A3B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3106. 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