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Technical Data Sheet
PartsTable / COMPONENT / K42584
K42584 ✓ 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 OVERALL, overall_width: 0.8438 INCHES NOMINAL IN, outside_diameter: 5.8437 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1200 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0583, 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
K42584
NSN: 3110-00-100-0583
FSC: 3110
CAGE: F0272 — SKF FRANCE (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.8438 INCHES NOMINAL IN
outside_diameter5.8437 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1200 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0583
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K42584 · 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
•
OUTSIDE DIAMETER: 5.8437 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1200 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
OUTSIDE DIAMETER5.8437 INCHES NOMINAL IN
OVERALL WIDTH0.8438 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1200 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
42584Interchangeable
interchangeable cross-reference
interchangeable
21074Interchangeable
interchangeable cross-reference
interchangeable
ST750Interchangeable
interchangeable cross-reference
interchangeable
1-300-425-01Interchangeable
interchangeable cross-reference
interchangeable
1-300-425Interchangeable
interchangeable cross-reference
interchangeable
57988-90030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K42584?
K42584 is a CUP,TAPERED ROLLER BEARING.
What parts can replace K42584?
There are 31 known substitutes for K42584: 42584, 21074, ST750 and 28 more. Substitute compatibility should be verified for your specific system.
Is K42584 still available?
K42584 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