PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/01-551
FF-B-187/01-551 ✓ 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-187/01-551 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-542-1998, 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-187/01-551
NSN: 3110-00-542-1998
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-187/01-551
NSN3110-00-542-1998
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/01-551 · 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 CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 2.8750 INCHES NOMINAL IN
•
CONE WIDTH: 1.1875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
BORE DIAMETER2.8750 INCHES NOMINAL IN
CONE WIDTH1.1875 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
33287Interchangeable
interchangeable cross-reference
interchangeable
00737 SHAPE 25 C/S SHAPE 164Interchangeable
interchangeable cross-reference
interchangeable
27093Interchangeable
interchangeable cross-reference
interchangeable
501098Interchangeable
interchangeable cross-reference
interchangeable
3100-62CBInterchangeable
interchangeable cross-reference
interchangeable
490869Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-187/01-551?
FF-B-187/01-551 is a FF-B-187/01-551.
What parts can replace FF-B-187/01-551?
There are 19 known substitutes for FF-B-187/01-551: 33287, 00737 SHAPE 25 C/S SHAPE 164, 27093 and 16 more. Substitute compatibility should be verified for your specific system.
Is FF-B-187/01-551 still available?
FF-B-187/01-551 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