PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 15580-15520
15580-15520 ✓ 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 material: STEEL OVERALL, cup_width: 0.5313 INCHES NOMINAL IN, cone_width: 0.6875 INCHES NOMINAL IN, bore_diameter: 1.0625 INCHES NOMINAL IN, overall_width: 0.6875 INCHES NOMINAL IN, standout_width: 0.1563 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5282, 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
15580-15520
NSN: 3110-00-100-5282
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5313 INCHES NOMINAL IN
cone_width0.6875 INCHES NOMINAL IN
bore_diameter1.0625 INCHES NOMINAL IN
overall_width0.6875 INCHES NOMINAL IN
standout_width0.1563 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0620 INCHES NOMINAL IN
overall_outside_diameter2.2500 INCHES NOMINAL IN
nondefinitive_spec/std_data751 TYPE
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5282
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 15580-15520 · 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: 2.2500 INCHES NOMINAL IN
•
CONE WIDTH: 0.6875 INCHES NOMINAL IN
•
BORE DIAMETER: 1.0625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.0620 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 OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
CONE WIDTH0.6875 INCHES NOMINAL IN
BORE DIAMETER1.0625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA751 TYPE
CUP WIDTH0.5313 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
712838Interchangeable
interchangeable cross-reference
interchangeable
15174Interchangeable
interchangeable cross-reference
interchangeable
FFB187TYPE751Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15580-15520?
15580-15520 is a BEARING,ROLLER,TAPERED.
What parts can replace 15580-15520?
There are 3 known substitutes for 15580-15520: 712838, 15174, FFB187TYPE751. Substitute compatibility should be verified for your specific system.
What is the NSN for 15580-15520?
15580-15520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5282. 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