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Technical Data Sheet
PartsTable / COMPONENT / ATU15
ATU15 ✓ 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: 0.6875 INCHES NOMINAL IN, cone_width: 0.8480 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.9063 INCHES NOMINAL IN, standout_width: 0.2188 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7458, 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
ATU15
NSN: 3110-00-155-7458
FSC: 3110
CAGE: 02432 — AMERICAN LAUNDRY MACHINERY INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.6875 INCHES NOMINAL IN
cone_width0.8480 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.9063 INCHES NOMINAL IN
standout_width0.2188 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0600 INCHES NOMINAL IN
backface_corner_radius0.1400 INCHES NOMINAL IN
overall_outside_diameter1.9380 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 4
NSN3110-00-155-7458
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ATU15 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
CONE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE CUP
•
CONE WIDTH: 0.8480 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
MATERIAL: STEEL OVERALL
•
STANDOUT WIDTH: 0.2188 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)
RETAINER FABRICATION METHODPRESSED
CONE CORNER RADIUS0.0600 INCHES NOMINAL IN
BORE DIAMETER0.7500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE CUP
CONE WIDTH0.8480 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
MATERIALSTEEL OVERALL
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
CUP WIDTH0.6875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.9380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
559-1561-044Interchangeable
interchangeable cross-reference
interchangeable
RCR07G621JSInterchangeable
interchangeable cross-reference
interchangeable
443-1466-044Interchangeable
interchangeable cross-reference
interchangeable
MP200-15Interchangeable
interchangeable cross-reference
interchangeable
2132AInterchangeable
interchangeable cross-reference
interchangeable
0907-09196Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ATU15?
ATU15 is a BEARING,ROLLER,TAPERED.
What parts can replace ATU15?
There are 24 known substitutes for ATU15: 559-1561-044, RCR07G621JS, 443-1466-044 and 21 more. Substitute compatibility should be verified for your specific system.
Is ATU15 still available?
ATU15 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