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Technical Data Sheet
PartsTable / COMPONENT / 3110006781868
3110006781868 ✓ 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 BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 1.5625 INCHES NOMINAL IN, cone_width: 1.0938 INCHES NOMINAL IN, bore_diameter: 0.9600 INCHES NOMINAL IN, overall_width: 2.1875 INCHES NOMINAL IN, standout_width: 0.3125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-678-1868, 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
3110006781868
NSN: 3110-00-678-1868
FSC: 3110
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.5625 INCHES NOMINAL IN
cone_width1.0938 INCHES NOMINAL IN
bore_diameter0.9600 INCHES NOMINAL IN
overall_width2.1875 INCHES NOMINAL IN
standout_width0.3125 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.0312 INCHES NOMINAL IN
backface_corner_radius0.0625 INCHES NOMINAL IN
overall_outside_diameter3.1875 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-678-1868
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3110006781868 · 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
•
BACKFACE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.3125 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.1875 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
CUP WIDTH: 1.5625 INCHES NOMINAL IN
•
CONE WIDTH: 1.0938 INCHES NOMINAL IN
•
BORE DIAMETER: 0.9600 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 (FLIS)
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
OVERALL WIDTH2.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.1875 INCHES NOMINAL IN
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
CUP WIDTH1.5625 INCHES NOMINAL IN
CONE WIDTH1.0938 INCHES NOMINAL IN
BORE DIAMETER0.9600 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
B1481Interchangeable
Amlcd 1600x1200 Rgb
interchangeable
K9345721-Q70Interchangeable
Amlcd 1600x1200 Rgb
interchangeable
8359951Interchangeable
Amlcd 1600x1200 Rgb
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3110006781868?
3110006781868 is a BEARING,ROLLER,TAPERED.
What parts can replace 3110006781868?
There are 3 known substitutes for 3110006781868: B1481, K9345721-Q70, 8359951. Substitute compatibility should be verified for your specific system.
What is the NSN for 3110006781868?
3110006781868 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-678-1868. 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