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Technical Data Sheet
PartsTable / COMPONENT / MT14-1206
MT14-1206 ✓ 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: 1.0236 INCHES NOMINAL IN, cone_width: 1.1811 INCHES NOMINAL IN, bore_diameter: 3.5433 INCHES NOMINAL IN, overall_width: 1.2795 INCHES NOMINAL IN, standout_width: 0.2561 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 3110-01-278-8335, 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
MT14-1206
NSN: 3110-01-278-8335
FSC: 3110
CAGE: 27188 — MARMON-HERRINGTON COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.0236 INCHES NOMINAL IN
cone_width1.1811 INCHES NOMINAL IN
bore_diameter3.5433 INCHES NOMINAL IN
overall_width1.2795 INCHES NOMINAL IN
standout_width0.2561 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1000 INCHES NOMINAL IN
backface_corner_radius0.0800 INCHES NOMINAL IN
end_item_identificationMRAP - COMMON NSN - USED ON 7 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM
overall_outside_diameter6.2992 INCHES NOMINAL IN
NSN3110-01-278-8335
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MT14-1206 · 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
•
BORE DIAMETER: 3.5433 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
CUP WIDTH: 1.0236 INCHES NOMINAL IN
•
CONE WIDTH: 1.1811 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)
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BORE DIAMETER3.5433 INCHES NOMINAL IN
OVERALL WIDTH1.2795 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
CUP WIDTH1.0236 INCHES NOMINAL IN
CONE WIDTH1.1811 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 7 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM
CONE CORNER RADIUS0.1000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.2992 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7218Interchangeable
interchangeable cross-reference
interchangeable
190ACInterchangeable
interchangeable cross-reference
interchangeable
2D8847Interchangeable
interchangeable cross-reference
interchangeable
30218Interchangeable
interchangeable cross-reference
interchangeable
2002554Interchangeable
Same NIIN cross-reference
interchangeable
30218UInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT14-1206?
MT14-1206 is a BEARING,ROLLER,TAPERED.
What parts can replace MT14-1206?
There are 6 known substitutes for MT14-1206: 7218, 190AC, 2D8847 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MT14-1206?
MT14-1206 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-278-8335. 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