PartsTable
Technical Data Sheet
PartsTable / COMPONENT / U603231500
U603231500 ✓ 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: 45.0 MILLIMETERS NOMINAL MM, cone_width: 55.0 MILLIMETERS NOMINAL MM, bore_diameter: 75.0 MILLIMETERS NOMINAL MM, overall_width: 58.0 MILLIMETERS NOMINAL MM, standout_width: 13.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-439-0439, 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
U603231500
NSN: 3110-01-439-0439
FSC: 3110
CAGE: 0L5F0 — SUMITOMO MACHINERY CORP OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width45.0 MILLIMETERS NOMINAL MM
cone_width55.0 MILLIMETERS NOMINAL MM
bore_diameter75.0 MILLIMETERS NOMINAL MM
overall_width58.0 MILLIMETERS NOMINAL MM
standout_width13.0 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius3.0 MILLIMETERS NOMINAL MM
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
overall_outside_diameter16.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-01-439-0439
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: U603231500 · 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: 16.0 MILLIMETERS NOMINAL MM
•
CUP WIDTH: 45.0 MILLIMETERS NOMINAL MM
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
STANDOUT WIDTH: 13.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
RETAINER FABRICATION METHOD: PRESSED
•
CONE WIDTH: 55.0 MILLIMETERS NOMINAL MM
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 DIAMETER16.0 MILLIMETERS NOMINAL MM
CUP WIDTH45.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH58.0 MILLIMETERS NOMINAL MM
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
STANDOUT WIDTH13.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
RETAINER FABRICATION METHODPRESSED
CONE WIDTH55.0 MILLIMETERS NOMINAL MM
CONE CORNER RADIUS3.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
32315Interchangeable
interchangeable cross-reference
interchangeable
PURCHASE5330-207Interchangeable
interchangeable cross-reference
interchangeable
272202PC9Interchangeable
interchangeable cross-reference
interchangeable
11207111-4Interchangeable
interchangeable cross-reference
interchangeable
396348P2Interchangeable
interchangeable cross-reference
interchangeable
SCL3-16RAYCLAD TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U603231500?
U603231500 is a BEARING,ROLLER,TAPERED.
What parts can replace U603231500?
There are 8 known substitutes for U603231500: 32315, PURCHASE5330-207, 272202PC9 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U603231500?
U603231500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-439-0439. 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