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TRD3446 ✓ 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

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include material: STEEL OVERALL, bore_diameter: 2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN, overall_width: 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, outside_diameter: 2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN, style_designator: FLAT RACE SURFACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-062-4876, 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
TRD3446
NSN: 3110-01-062-4876
FSC: 3110
CAGE: 5XMS1 — JTEKT BEARINGS NORTH AMERICA LLC DIV KBNA - ORD 1 (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
overall_width0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
outside_diameter2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN
style_designatorFLAT RACE SURFACE
NSN3110-01-062-4876
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TRD3446 · 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
•
OUTSIDE DIAMETER: 2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN
•
BORE DIAMETER: 2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT RACE SURFACE
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
BORE DIAMETER2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT RACE SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1200301Interchangeable
interchangeable cross-reference
interchangeable
120030Interchangeable
interchangeable cross-reference
interchangeable
1110518C1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TRD3446?
TRD3446 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace TRD3446?
There are 3 known substitutes for TRD3446: 1200301, 120030, 1110518C1. Substitute compatibility should be verified for your specific system.
What is the NSN for TRD3446?
TRD3446 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-062-4876. 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