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Technical Data Sheet
PartsTable / COMPONENT / FFB187/01-304
FFB187/01-304 ✓ 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 FFB187/01-304 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4484, 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
FFB187/01-304
NSN: 3110-00-100-4484
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB187/01-304
NSN3110-00-100-4484
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/01-304 · 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
•
BORE DIAMETER: 1.8125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
CUP WIDTH: 0.8125 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.3465 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.8125 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
CUP WIDTH0.8125 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.3465 INCHES NOMINAL IN
STANDOUT WIDTH0.1875 INCHES NOMINAL IN
OVERALL WIDTH1.0000 INCHES NOMINAL IN
CONE WIDTH1.0082 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
7041-M79600Interchangeable
interchangeable cross-reference
interchangeable
7041Interchangeable
interchangeable cross-reference
interchangeable
151470Interchangeable
interchangeable cross-reference
interchangeable
604-1Interchangeable
interchangeable cross-reference
interchangeable
GF11VInterchangeable
interchangeable cross-reference
interchangeable
342C611H01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/01-304?
FFB187/01-304 is a FFB187/01-304.
What parts can replace FFB187/01-304?
There are 21 known substitutes for FFB187/01-304: 7041-M79600, 7041, 151470 and 18 more. Substitute compatibility should be verified for your specific system.
Is FFB187/01-304 still available?
FFB187/01-304 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