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Technical Data Sheet
PartsTable / COMPONENT / CAT. 580
CAT. 580 ✓ 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 CAT. 580 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-193-3374, 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
CAT. 580
NSN: 3110-01-193-3374
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
Part NumberCAT. 580
NSN3110-01-193-3374
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CAT. 580 · 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
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORFLAT RACE SURFACE
OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZY
BORE DIAMETER0.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
TRD-1220Interchangeable
interchangeable cross-reference
interchangeable
78330PC55SH16Interchangeable
interchangeable cross-reference
interchangeable
CAT. 580Interchangeable
interchangeable cross-reference
interchangeable
D-1452PC35Interchangeable
interchangeable cross-reference
interchangeable
NTA-1220Interchangeable
interchangeable cross-reference
interchangeable
820-5952575 PC 3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CAT. 580?
CAT. 580 is a CAT. 580.
What parts can replace CAT. 580?
There are 8 known substitutes for CAT. 580: TRD-1220, 78330PC55SH16, CAT. 580 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CAT. 580?
CAT. 580 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-193-3374. 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