PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2559
2559 ✓ 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 TAPE,INSULATION,ELECTRICAL is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include color: BLACK OVERALL, width: 2.000 INCHES NOMINAL IN, end_type: EXTERNAL THREAD SECOND END, material: PLASTIC POLYESTER OVERALL, cone_width: 0.9983 INCHES NOMINAL IN, temp_rating: 105.0 CELSIUS NOMINAL DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-9545, 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
2559
NSN: 3110-00-100-9545
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
colorBLACK OVERALL
width2.000 INCHES NOMINAL IN
end_typeEXTERNAL THREAD SECOND END
materialPLASTIC POLYESTER OVERALL
cone_width0.9983 INCHES NOMINAL IN
temp_rating105.0 CELSIUS NOMINAL DEGC
flange_depth0.438 INCHES NOMINAL SINGLE FLANGE IN
flange_styleCOVER TYPE SINGLE FLANGE
model_number05-00301
thread_class3A A
bore_diameter1.1875 INCHES NOMINAL IN
document_typeCATALOG SHEET
NSN3110-00-100-9545
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2559 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 1.1875 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 0.9983 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0312 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)
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER1.1875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH0.9983 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
4S94792-101AInterchangeable
interchangeable cross-reference
interchangeable
ATCL2061Interchangeable
interchangeable cross-reference
interchangeable
ATCO2061Interchangeable
interchangeable cross-reference
interchangeable
2559Interchangeable
interchangeable cross-reference
interchangeable
1752806-1Interchangeable
interchangeable cross-reference
interchangeable
G2559Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2559?
2559 is a TAPE,INSULATION,ELECTRICAL.
What parts can replace 2559?
There are 21 known substitutes for 2559: 4S94792-101A, ATCL2061, ATCO2061 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2559?
2559 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-9545. 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