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Technical Data Sheet
PartsTable / COMPONENT / 706743
706743 ✓ 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_width: 2.50 INCHES IN, overall_diameter: 0.750 INCHES IN, part_name_assigned_by_controlling_agency: COVER, STEEL, VERTICLE SPLIT, model_or_size_coupling_for_which_designed: 1060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0357, 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
706743
NSN: 3110-00-100-0357
FSC: 3110
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL
overall_width2.50 INCHES IN
overall_diameter0.750 INCHES IN
part_name_assigned_by_controlling_agencyCOVER, STEEL, VERTICLE SPLIT
model_or_size_coupling_for_which_designed1060
NSN3110-00-100-0357
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 706743 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.4843 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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH0.7500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER2.4843 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
K2620Interchangeable
interchangeable cross-reference
interchangeable
4DX8-331Interchangeable
interchangeable cross-reference
interchangeable
X8-331Interchangeable
interchangeable cross-reference
interchangeable
706743Interchangeable
interchangeable cross-reference
interchangeable
2620Interchangeable
Same NIIN cross-reference
interchangeable
20646DInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 706743?
706743 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 706743?
There are 8 known substitutes for 706743: K2620, 4DX8-331, X8-331 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 706743?
706743 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0357. 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