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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/09J05B2B
FF-B-171/09J05B2B ✓ 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-171/09J05B2B is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-967-2995, 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-171/09J05B2B
NSN: 3110-00-967-2995
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/09J05B2B
NSN3110-00-967-2995
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/09J05B2B · 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: 52.00 MILLIMETERS NOMINAL MM
•
LUBRICATION MATERIAL: GREASE
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SEAL QUANTITY: 2
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.8125 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
LUBRICATION MATERIALGREASE
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
SEAL QUANTITY2
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BEARING SEAL TYPELABYRINTH
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
21-630Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/09J03B2AInterchangeable
interchangeable cross-reference
interchangeable
A-A-59595Interchangeable
interchangeable cross-reference
interchangeable
45C39Interchangeable
interchangeable cross-reference
interchangeable
302M0114P001Interchangeable
interchangeable cross-reference
interchangeable
A-A-59595-806JEBEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/09J05B2B?
FF-B-171/09J05B2B is a FF-B-171/09J05B2B.
What parts can replace FF-B-171/09J05B2B?
There are 32 known substitutes for FF-B-171/09J05B2B: 21-630, FF-B-171/09J03B2A, A-A-59595 and 29 more. Substitute compatibility should be verified for your specific system.
Is FF-B-171/09J05B2B still available?
FF-B-171/09J05B2B 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