PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/01-454
FF-B-187/01-454 ✓ 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-187/01-454 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 3110-00-100-5352, 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-187/01-454
NSN: 3110-00-100-5352
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-187/01-454
NSN3110-00-100-5352
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/01-454 · 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
•
BORE DIAMETER: 2.5000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2188 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
CONE WIDTH: 0.8661 INCHES NOMINAL IN
•
CUP WIDTH: 0.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER2.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
OVERALL WIDTH0.8438 INCHES NOMINAL IN
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.0800 INCHES NOMINAL IN
CONE WIDTH0.8661 INCHES NOMINAL IN
CUP WIDTH0.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2534809Interchangeable
interchangeable cross-reference
interchangeable
1494Interchangeable
interchangeable cross-reference
interchangeable
3119-01-627Interchangeable
interchangeable cross-reference
interchangeable
2312499-2Interchangeable
interchangeable cross-reference
interchangeable
K39412Interchangeable
interchangeable cross-reference
interchangeable
103S22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-187/01-454?
FF-B-187/01-454 is a FF-B-187/01-454.
What parts can replace FF-B-187/01-454?
There are 22 known substitutes for FF-B-187/01-454: 2534809, 1494, 3119-01-627 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-187/01-454?
FF-B-187/01-454 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5352. 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