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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171B/04J05B2E
FF-B-171B/04J05B2E ✓ 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-171B/04J05B2E is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-6035, 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-171B/04J05B2E
NSN: 3110-00-554-6035
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171B/04J05B2E
NSN3110-00-554-6035
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171B/04J05B2E · 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
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
SHIELD QUANTITY: 1
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
SHIELD QUANTITY1
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONLOOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
7505LInterchangeable
interchangeable cross-reference
interchangeable
205PMFInterchangeable
interchangeable cross-reference
interchangeable
7505LR1296Interchangeable
interchangeable cross-reference
interchangeable
2312Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/14-J12C2CInterchangeable
interchangeable cross-reference
interchangeable
2B8252Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171B/04J05B2E?
FF-B-171B/04J05B2E is a FF-B-171B/04J05B2E.
What parts can replace FF-B-171B/04J05B2E?
There are 30 known substitutes for FF-B-171B/04J05B2E: 7505L, 205PMF, 7505LR1296 and 27 more. Substitute compatibility should be verified for your specific system.
Is FF-B-171B/04J05B2E still available?
FF-B-171B/04J05B2E 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