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Technical Data Sheet
PartsTable / COMPONENT / FFB187/03-10
FFB187/03-10 ✓ 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 FFB187/03-10 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 3110-00-100-3599, 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
FFB187/03-10
NSN: 3110-00-100-3599
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB187/03-10
NSN3110-00-100-3599
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/03-10 · 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
•
CONE WIDTH: 0.9478 INCHES NOMINAL IN
•
BORE DIAMETER: 1.3125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STEEP ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TECHNICAL CHARACTERISTICS (FLIS)
CONE WIDTH0.9478 INCHES NOMINAL IN
BORE DIAMETER1.3125 INCHES NOMINAL IN
STYLE DESIGNATORSTEEP ANGLE
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
BT498Interchangeable
interchangeable cross-reference
interchangeable
1264091Interchangeable
interchangeable cross-reference
interchangeable
364969Interchangeable
interchangeable cross-reference
interchangeable
0604387Interchangeable
interchangeable cross-reference
interchangeable
43312Interchangeable
interchangeable cross-reference
interchangeable
9A43312Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/03-10?
FFB187/03-10 is a FFB187/03-10.
What parts can replace FFB187/03-10?
There are 27 known substitutes for FFB187/03-10: BT498, 1264091, 364969 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB187/03-10?
FFB187/03-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3599. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026