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PartsTable / COMPONENT / Q20304DTL3A
Q20304DTL3A ✓ 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 CAP,IGNITION DISTRIBUTION is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 15.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, special_features: PAIR OF BEARINGS,ANGULARITY 25 DEG OR LESS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2248, 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
Q20304DTL3A
NSN: 3110-00-198-2248
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_diameter20.00 MILLIMETERS NOMINAL MM
overall_width15.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
special_featuresPAIR OF BEARINGS,ANGULARITY 25 DEG OR LESS
style_designatorUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.3
NSN3110-00-198-2248
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: Q20304DTL3A · 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
•
MATERIAL: STEEL OUTER RING
•
BORE DIAMETER: 20.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
BEARING PRELOAD DESIGNATION: LIGHT
•
STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESPAIR OF BEARINGS,ANGULARITY 25 DEG OR LESS
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
BORE DIAMETER20.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BEARING PRELOAD DESIGNATIONLIGHT
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
STANDARD TOLERANCE DESIGNATIONABEC NO.3
MATERIALSTEEL INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A9307Interchangeable
interchangeable cross-reference
interchangeable
AL-70Interchangeable
interchangeable cross-reference
interchangeable
AL73Interchangeable
interchangeable cross-reference
interchangeable
AL15Interchangeable
interchangeable cross-reference
interchangeable
H1299-178Interchangeable
Same NIIN cross-reference
interchangeable
QH20304DTL3AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q20304DTL3A?
Q20304DTL3A is a CAP,IGNITION DISTRIBUTION.
What parts can replace Q20304DTL3A?
There are 9 known substitutes for Q20304DTL3A: A9307, AL-70, AL73 and 6 more. Substitute compatibility should be verified for your specific system.
Is Q20304DTL3A still available?
Q20304DTL3A 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