PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 500-279
500-279 ✓ 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 BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include wall_thickness: 0.060 INCHES NOMINAL IN, connection_type: PREFORMED FIRST END, inside_diameter: 0.750 INCHES NOMINAL FIRST END IN, connection_style: ROUND SECOND END, end_overall_length: 0.719 INCHES NOMINAL SECOND END IN, cross-sectional_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-068-9395, 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
500-279
NSN: 3110-00-068-9395
FSC: 3110
CAGE: 31494 — LAYTON MANUFACTURING CO. (USA)
SPECIFICATIONS
wall_thickness0.060 INCHES NOMINAL IN
connection_typePREFORMED FIRST END
inside_diameter0.750 INCHES NOMINAL FIRST END IN
connection_styleROUND SECOND END
special_featuresOZONE RESISTANCE:NOT OZONE RESISTANCE; END SIMILARITY:NOT IDENTICAL; HOSE STYLE:FULLY CONVOLUTED, STYLE NO. 2 FROM OLD FIIG A22900; HOSE MATERIAL:SILICON RUBBER
end_overall_length0.719 INCHES NOMINAL SECOND END IN
cross-sectional_shape_styleROUND
measuring_method_and_length17.500 INCHES NOMINAL OVERALL IN
NSN3110-00-068-9395
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 500-279 · 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
•
OVERALL OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1250 INCHES NOMINAL IN
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
CONE WIDTH: 0.4688 INCHES NOMINAL IN
•
CUP WIDTH: 0.3750 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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 OUTSIDE DIAMETER2.5000 INCHES NOMINAL IN
STANDOUT WIDTH0.1250 INCHES NOMINAL IN
BORE DIAMETER1.5000 INCHES NOMINAL IN
OVERALL WIDTH0.5000 INCHES NOMINAL IN
CONE WIDTH0.4688 INCHES NOMINAL IN
CUP WIDTH0.3750 INCHES NOMINAL IN
CONE CORNER RADIUS0.0310 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
A-A-59649-546Interchangeable
interchangeable cross-reference
interchangeable
X18D16Interchangeable
interchangeable cross-reference
interchangeable
264903-3Interchangeable
interchangeable cross-reference
interchangeable
570GInterchangeable
interchangeable cross-reference
interchangeable
0260724Interchangeable
interchangeable cross-reference
interchangeable
5706XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500-279?
500-279 is a BEARING,ROLLER,TAPERED.
What parts can replace 500-279?
There are 30 known substitutes for 500-279: A-A-59649-546, X18D16, 264903-3 and 27 more. Substitute compatibility should be verified for your specific system.
Is 500-279 still available?
500-279 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