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Technical Data Sheet
PartsTable / COMPONENT / 620734
620734 ✓ 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 wall_thickness: 0.035 INCHES NOMINAL IN, special_features: HOSE ASSY, SUPPLY LINE CONNECTIONS 2 - TO MOTOR., cross-sectional_shape_style: RECTANGULAR, part_name_assigned_by_controlling_agency: HOSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0556, 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
620734
NSN: 3110-00-100-0556
FSC: 3110
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
wall_thickness0.035 INCHES NOMINAL IN
special_featuresHOSE ASSY, SUPPLY LINE CONNECTIONS 2 - TO MOTOR.
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyHOSE
NSN3110-00-100-0556
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 620734 · 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
103690Interchangeable
interchangeable cross-reference
interchangeable
1578-1Interchangeable
interchangeable cross-reference
interchangeable
26822Interchangeable
interchangeable cross-reference
interchangeable
1787815Interchangeable
interchangeable cross-reference
interchangeable
55437Interchangeable
interchangeable cross-reference
interchangeable
984735Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 620734?
620734 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 620734?
There are 26 known substitutes for 620734: 103690, 1578-1, 26822 and 23 more. Substitute compatibility should be verified for your specific system.
Is 620734 still available?
620734 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026