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Technical Data Sheet
PartsTable / COMPONENT / 20306DU
20306DU ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, overall_width: 19.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, style_designator: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6801, 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
20306DU
NSN: 3110-00-156-6801
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width19.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-6801
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 20306DU · 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: 72.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OVERALL
•
LOAD DIRECTION: ANGULAR
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
MATERIALSTEEL OVERALL
LOAD DIRECTIONANGULAR
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONANGULAR
BEARING PRELOAD DESIGNATIONLIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
QH20303Interchangeable
interchangeable cross-reference
interchangeable
G14363PC11Interchangeable
interchangeable cross-reference
interchangeable
7319Interchangeable
interchangeable cross-reference
interchangeable
8700-20PC564Interchangeable
interchangeable cross-reference
interchangeable
V30319DTL1Interchangeable
interchangeable cross-reference
interchangeable
AA59626-210TABTUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20306DU?
20306DU is a BEARING,BALL,ANNULAR.
What parts can replace 20306DU?
There are 26 known substitutes for 20306DU: QH20303, G14363PC11, 7319 and 23 more. Substitute compatibility should be verified for your specific system.
Is 20306DU still available?
20306DU is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026