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Technical Data Sheet
PartsTable / COMPONENT / 3TCF58-66-1
3TCF58-66-1 ✓ 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,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_diameter: 3.6250 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, outer_ring_width: 0.2000 INCHES NOMINAL IN, features_provided: ALIGNING RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-998-1498, 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
3TCF58-66-1
NSN: 3110-00-998-1498
FSC: 3110
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_diameter3.6250 INCHES NOMINAL IN
alignment_typeSELF-ALIGNING
load_directionRADIAL
outer_ring_width0.2000 INCHES NOMINAL IN
features_providedALIGNING RING
overall_outside_diameter4.1250 INCHES NOMINAL IN
NSN3110-00-998-1498
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TCF58-66-1 · 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
•
ALIGNMENT TYPE: SELF-ALIGNING
•
OUTER RING WIDTH: 0.2000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
BORE DIAMETER: 3.6250 INCHES NOMINAL IN
•
FEATURES PROVIDED: ALIGNING RING
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPESELF-ALIGNING
OUTER RING WIDTH0.2000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
BORE DIAMETER3.6250 INCHES NOMINAL IN
FEATURES PROVIDEDALIGNING RING
MATERIALSTEEL CORROSION RESISTING OVERALL
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7039850Interchangeable
interchangeable cross-reference
interchangeable
1940Interchangeable
interchangeable cross-reference
interchangeable
INVOLUTE 20-6Interchangeable
interchangeable cross-reference
interchangeable
10BM-24Interchangeable
interchangeable cross-reference
interchangeable
20BC03PInterchangeable
interchangeable cross-reference
interchangeable
YK901BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3TCF58-66-1?
3TCF58-66-1 is a BEARING,BALL,AIRFRAME.
What parts can replace 3TCF58-66-1?
There are 13 known substitutes for 3TCF58-66-1: 7039850, 1940, INVOLUTE 20-6 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TCF58-66-1?
3TCF58-66-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-998-1498. 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