PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/08-11
FF-B-187/08-11 ✓ 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-187/08-11 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 3110-00-120-1616, 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-187/08-11
NSN: 3110-00-120-1616
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-187/08-11
NSN3110-00-120-1616
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/08-11 · 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
•
CUP WIDTH: 2.5625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.6250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 5.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
TECHNICAL CHARACTERISTICS (FLIS)
CUP WIDTH2.5625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESOIL HOLE AND GROOVE IN CUP
BORE DIAMETER2.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
OVERALL WIDTH3.1875 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
472D-20081Interchangeable
interchangeable cross-reference
interchangeable
NA484-20024Interchangeable
interchangeable cross-reference
interchangeable
FFB187/08-13Interchangeable
interchangeable cross-reference
interchangeable
NA569-563DInterchangeable
Same NIIN cross-reference
interchangeable
A-A-59656Interchangeable
Same NIIN cross-reference
interchangeable
FF-B-187/8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-187/08-11?
FF-B-187/08-11 is a FF-B-187/08-11.
What parts can replace FF-B-187/08-11?
There are 9 known substitutes for FF-B-187/08-11: 472D-20081, NA484-20024, FFB187/08-13 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-187/08-11?
FF-B-187/08-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-1616. 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