PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/01-626
FF-B-187/01-626 ✓ 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-187/01-626 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 3110-00-100-4407, 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-187/01-626
NSN: 3110-00-100-4407
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberFF-B-187/01-626
NSN3110-00-100-4407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/01-626 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
STANDOUT WIDTH: 0.3125 INCHES NOMINAL IN
•
CONE WIDTH: 21.8375 INCHES NOMINAL IN
•
BORE DIAMETER: 3.3475 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OVERALL OUTSIDE DIAMETER: 5.9090 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
CONE WIDTH21.8375 INCHES NOMINAL IN
BORE DIAMETER3.3475 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL OUTSIDE DIAMETER5.9090 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
749Interchangeable
interchangeable cross-reference
interchangeable
16887JInterchangeable
interchangeable cross-reference
interchangeable
139D6Interchangeable
interchangeable cross-reference
interchangeable
SP58R5Interchangeable
interchangeable cross-reference
interchangeable
SP34R5Interchangeable
interchangeable cross-reference
interchangeable
W-P-455Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-187/01-626?
FF-B-187/01-626 is a FF-B-187/01-626.
What parts can replace FF-B-187/01-626?
There are 14 known substitutes for FF-B-187/01-626: 749, 16887J, 139D6 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-187/01-626?
FF-B-187/01-626 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4407. 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