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Technical Data Sheet
PartsTable / COMPONENT / 706784
706784 ✓ 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 COMP 4140 OVERALL, recess_diameter: 0.125 INCHES NOMINAL IN, special_features: 5 GROOVES ACROSS BODY RECESS DEPTH, attachment_method: ROUND HOLE, body_recess_depth: 0.540 INCHES NOMINAL IN, inner_groove_width: 0.450 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 3110-00-100-0496, 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
706784
NSN: 3110-00-100-0496
FSC: 3110
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
recess_diameter0.125 INCHES NOMINAL IN
special_features5 GROOVES ACROSS BODY RECESS DEPTH
attachment_methodROUND HOLE
body_recess_depth0.540 INCHES NOMINAL IN
inner_groove_width0.450 INCHES NOMINAL IN
outer_groove_depth0.135 INCHES NOMINAL IN
outer_groove_width0.120 INCHES NOMINAL IN
body_recess_diameter1.980 INCHES NOMINAL IN
cross-sectional_height0.750 INCHES NOMINAL IN
attachment_hole_diameter0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
NSN3110-00-100-0496
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 706784 · 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
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 5.1181 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
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OVERALL WIDTH1.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER5.1181 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
04603Interchangeable
interchangeable cross-reference
interchangeable
251DCInterchangeable
interchangeable cross-reference
interchangeable
1001Interchangeable
interchangeable cross-reference
interchangeable
AA50553-1-2-L-1-05-SInterchangeable
interchangeable cross-reference
interchangeable
5521Interchangeable
interchangeable cross-reference
interchangeable
59115D27-39CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 706784?
706784 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 706784?
There are 29 known substitutes for 706784: 04603, 251DC, 1001 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 706784?
706784 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0496. 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