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FFB187/01-TYPE ABMA 3339 — 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

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 0.9375 INCHES NOMINAL IN, outside_diameter: 3.1510 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0620 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-0372, 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-TYPE ABMA 3339
NSN: 3110-00-100-0372
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.9375 INCHES NOMINAL IN
outside_diameter3.1510 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0620 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0372
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB187/01-TYPE ABMA 3339 · 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
•
OUTSIDE DIAMETER: 3.1510 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
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
OUTSIDE DIAMETER3.1510 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.9375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3339InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
211586InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F27342InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
172-453InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AMT41InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
625626C1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB187/01-TYPE ABMA 3339?
FFB187/01-TYPE ABMA 3339 is a CUP,TAPERED ROLLER BEARING.
What parts can replace FFB187/01-TYPE ABMA 3339?
There are 16 known substitutes for FFB187/01-TYPE ABMA 3339: 3339, 211586, F27342 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB187/01-TYPE ABMA 3339?
FFB187/01-TYPE ABMA 3339 is cataloged in the Federal Logistics Information System under NSN 3110-00-100-0372. 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: September 2026