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3020DT — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3020DT: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, overall_width: 15.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, special_features: PAIR OF BEARINGS,ANGULARITY GREATER THAN 25 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-8007, 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
3020DT
NSN: 3110-00-156-8007
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width15.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
special_featuresPAIR OF BEARINGS,ANGULARITY GREATER THAN 25 DEGREES
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
standard_tolerance_designationABEC NO.1
NSN3110-00-156-8007
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3020DT · 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
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: LIGHT
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE DIAMETER: 25.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONLIGHT
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESPAIR OF BEARINGS,ANGULARITY GREATER THAN 25 DEGREES
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 3
30205DTReference document
Same NSN cross-reference
Reference document — Secondary reference
7205DTReference document
Same NSN cross-reference
Reference document — Secondary reference
30205DUReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3020DT?
3020DT is a BEARING,BALL,DUPLEX.
What parts can replace 3020DT?
There are 3 known substitutes for 3020DT: 30205DT, 7205DT, 30205DU. Substitute compatibility should be verified for your specific system.
What is the NSN for 3020DT?
3020DT is cataloged in the U.S. Government catalog under NSN 3110-00-156-8007. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.