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Technical Data Sheet
PartsTable / COMPONENT / 279520
279520 ✓ 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: 0.3437 INCHES NOMINAL IN, outside_diameter: 1.6250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0460 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0632, 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
279520
NSN: 3110-00-100-0632
FSC: 3110
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.3437 INCHES NOMINAL IN
outside_diameter1.6250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0460 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0632
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 279520 · 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
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 1.6250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0460 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)
OVERALL WIDTH0.3437 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER1.6250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1-125LBInterchangeable
interchangeable cross-reference
interchangeable
D11076-5-5Interchangeable
interchangeable cross-reference
interchangeable
MS39230-6Interchangeable
interchangeable cross-reference
interchangeable
293898PC2Interchangeable
interchangeable cross-reference
interchangeable
B61012Interchangeable
interchangeable cross-reference
interchangeable
61012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 279520?
279520 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 279520?
There are 19 known substitutes for 279520: 1-125LB, D11076-5-5, MS39230-6 and 16 more. Substitute compatibility should be verified for your specific system.
Is 279520 still available?
279520 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