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Technical Data Sheet
PartsTable / COMPONENT / FFB187/01-409
FFB187/01-409 ✓ 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 FFB187/01-409 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-722-7488, 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
FFB187/01-409
NSN: 3110-00-722-7488
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB187/01-409
NSN3110-00-722-7488
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/01-409 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0930 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.8125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH0.7982 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0930 INCHES NOMINAL IN
OUTSIDE DIAMETER3.8125 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FF-B-187/01Interchangeable
interchangeable cross-reference
interchangeable
387A382SInterchangeable
interchangeable cross-reference
interchangeable
500646Interchangeable
interchangeable cross-reference
interchangeable
382 SInterchangeable
interchangeable cross-reference
interchangeable
CINTA ADHESIVA INDICADORAInterchangeable
interchangeable cross-reference
interchangeable
140-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/01-409?
FFB187/01-409 is a FFB187/01-409.
What parts can replace FFB187/01-409?
There are 13 known substitutes for FFB187/01-409: FF-B-187/01, 387A382S, 500646 and 10 more. Substitute compatibility should be verified for your specific system.
Is FFB187/01-409 still available?
FFB187/01-409 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