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Technical Data Sheet
PartsTable / COMPONENT / FFB187/01-356
FFB187/01-356 ✓ 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 FFB187/01-356 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 3110-00-100-4186, 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
FFB187/01-356
NSN: 3110-00-100-4186
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB187/01-356
NSN3110-00-100-4186
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/01-356 · 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
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 4.0000 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.3125 INCHES NOMINAL IN
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH1.3750 INCHES NOMINAL IN
CONE CORNER RADIUS0.0310 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER4.0000 INCHES NOMINAL IN
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
BORE DIAMETER2.0000 INCHES NOMINAL IN
CUP WIDTH1.0625 INCHES NOMINAL IN
CONE WIDTH1.4200 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
P29957Interchangeable
interchangeable cross-reference
interchangeable
ST982Interchangeable
interchangeable cross-reference
interchangeable
K42584Interchangeable
interchangeable cross-reference
interchangeable
1-300-425-01Interchangeable
interchangeable cross-reference
interchangeable
21074Interchangeable
interchangeable cross-reference
interchangeable
1-300-425Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/01-356?
FFB187/01-356 is a FFB187/01-356.
What parts can replace FFB187/01-356?
There are 29 known substitutes for FFB187/01-356: P29957, ST982, K42584 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB187/01-356?
FFB187/01-356 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4186. 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