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Technical Data Sheet
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2683-1 — Technical Data Sheet

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— · 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 special_features: TYPE B, WIDE, CLEAR ZINK COAT, surface_treatment: ZINC OVERALL, end_item_identification: 016691345,ENGINE AND BLOWER PARTS, part_name_assigned_by_controlling_agency: WASHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-190-9333, 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
2683-1
NSN: 3110-00-190-9333
FSC: 3110
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
special_featuresTYPE B, WIDE, CLEAR ZINK COAT
surface_treatmentZINC OVERALL
end_item_identification016691345,ENGINE AND BLOWER PARTS
part_name_assigned_by_controlling_agencyWASHER
NSN3110-00-190-9333
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2683-1 · 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: 0.0312 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.4843 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
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
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
OUTSIDE DIAMETER3.4843 INCHES NOMINAL IN
OVERALL WIDTH0.8125 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
17123InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4730PL0890910InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4064496InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FTC4461InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
38181InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2VFF2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2683-1?
2683-1 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 2683-1?
There are 6 known substitutes for 2683-1: 17123, 4730PL0890910, 4064496 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2683-1?
2683-1 is cataloged in the Federal Logistics Information System under NSN 3110-00-190-9333. 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: September 2026