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Technical Data Sheet
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FFB187/01-042 — Technical Data Sheet

✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cup_width: 0.4200 INCHES NOMINAL IN, cone_width: 0.5800 INCHES NOMINAL IN, bore_diameter: 1.0000 INCHES NOMINAL IN, overall_width: 0.5600 INCHES NOMINAL IN, standout_width: 0.1400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-827-8646, 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
FFB187/01-042
NSN: 3110-00-827-8646
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.4200 INCHES NOMINAL IN
cone_width0.5800 INCHES NOMINAL IN
bore_diameter1.0000 INCHES NOMINAL IN
overall_width0.5600 INCHES NOMINAL IN
standout_width0.1400 INCHES NOMINAL IN
special_featuresDUTY CLASS L SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
end_item_identificationNSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK).
overall_outside_diameter1.9800 INCHES NOMINAL IN
NSN3110-00-827-8646
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/01-042 · 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
•
BORE DIAMETER: 1.0000 INCHES MINIMUM AND 1.0008 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE WIDTH: 0.5800 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN
•
CONE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
SPECIFICATION/STANDARD DATA: 58536-AA59649-042A MANUFACTURERS STANDARD A
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
BORE DIAMETER1.0000 INCHES MINIMUM AND 1.0008 INCHES MAXIMUM IN
STYLE DESIGNATORNORMAL ANGLE
CONE WIDTH0.5800 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN
SPECIAL FEATURESDUTY CLASS L SERIES
CONE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIFICATION/STANDARD DATA58536-AA59649-042A MANUFACTURERS STANDARD A
END ITEM IDENTIFICATIONNSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 36
30179Interchangeable
interchangeable cross-reference
interchangeable
710034Interchangeable
interchangeable cross-reference
interchangeable
9185Interchangeable
interchangeable cross-reference
interchangeable
645 STEM WITH 7250 COREInterchangeable
interchangeable cross-reference
interchangeable
10034Interchangeable
interchangeable cross-reference
interchangeable
27001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/01-042?
FFB187/01-042 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace FFB187/01-042?
There are 36 known substitutes for FFB187/01-042: 30179, 710034, 9185 and 33 more. Substitute compatibility should be verified for your specific system.
Is FFB187/01-042 still available?
FFB187/01-042 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026