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Technical Data Sheet
PartsTable / COMPONENT / FF-B-187/01-48
FF-B-187/01-48 ✓ 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-187/01-48 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 3110-00-100-9880, 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-187/01-48
NSN: 3110-00-100-9880
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-187/01-48
NSN3110-00-100-9880
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-187/01-48 · 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: 1.0000 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0469 INCHES NOMINAL IN
•
CONE WIDTH: 0.6875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.0000 INCHES NOMINAL IN
CONE CORNER RADIUS0.0469 INCHES NOMINAL IN
CONE WIDTH0.6875 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2100-0079Interchangeable
interchangeable cross-reference
interchangeable
PA5105Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
E111103Interchangeable
interchangeable cross-reference
interchangeable
735Interchangeable
interchangeable cross-reference
interchangeable
R500Interchangeable
Ruckus ZoneFlex R500 Dual-Band 802.11ac Access Point
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-187/01-48?
FF-B-187/01-48 is a FF-B-187/01-48.
What parts can replace FF-B-187/01-48?
There are 21 known substitutes for FF-B-187/01-48: 2100-0079, PA5105, ASTM B221 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-187/01-48?
FF-B-187/01-48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-9880. 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