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Technical Data Sheet
PartsTable / COMPONENT / A1620
A1620 ✓ 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 depth: 5.500 INCHES NOMINAL IN, width: 2.375 INCHES NOMINAL IN, height: 2.375 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, blade_type: BACKWARD CURVE, thread_size: 1IN-20 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 3110-00-100-0348, 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
A1620
NSN: 3110-00-100-0348
FSC: 3110
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
depth5.500 INCHES NOMINAL IN
width2.375 INCHES NOMINAL IN
height2.375 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
blade_typeBACKWARD CURVE
thread_size1IN-20 IN
contact_typePIN
current_typeDC
thread_class2B
overall_width0.6250 INCHES NOMINAL IN
thread_length0.188 INCHES NOMINAL IN
blade_quantity6
NSN3110-00-100-0348
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A1620 · 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
•
OUTSIDE DIAMETER: 2.6250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0625 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)
OUTSIDE DIAMETER2.6250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH0.6250 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SA1720Interchangeable
interchangeable cross-reference
interchangeable
25606Interchangeable
interchangeable cross-reference
interchangeable
6265Interchangeable
interchangeable cross-reference
interchangeable
A1620Interchangeable
interchangeable cross-reference
interchangeable
MS15716-11Interchangeable
interchangeable cross-reference
interchangeable
17511Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1620?
A1620 is a CUP,TAPERED ROLLER BEARING.
What parts can replace A1620?
There are 20 known substitutes for A1620: SA1720, 25606, 6265 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1620?
A1620 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0348. 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