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Technical Data Sheet
PartsTable / COMPONENT / H20309DFL3
H20309DFL3 ✓ 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,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 50.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, style_designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-2071, 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
H20309DFL3
NSN: 3110-00-157-2071
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width50.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
overall_outside_diameter100.00 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.3
NSN3110-00-157-2071
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: H20309DFL3 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
LOAD DIRECTION: ANGULAR
•
BORE DIAMETER: 45.00 MILLIMETERS NOMINAL MM
•
BEARING PRELOAD DESIGNATION: LIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH50.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.3
LOAD DIRECTIONANGULAR
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BEARING PRELOAD DESIGNATIONLIGHT
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
H20309Interchangeable
interchangeable cross-reference
interchangeable
SG2570PC64Interchangeable
Same NIIN cross-reference
interchangeable
SG2572PC64Interchangeable
Same NIIN cross-reference
interchangeable
SG2501PC64Interchangeable
Same NIIN cross-reference
interchangeable
7309DFInterchangeable
Same NIIN cross-reference
interchangeable
H20309DFLIAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H20309DFL3?
H20309DFL3 is a BEARING,BALL,DUPLEX.
What parts can replace H20309DFL3?
There are 7 known substitutes for H20309DFL3: H20309, SG2570PC64, SG2572PC64 and 4 more. Substitute compatibility should be verified for your specific system.
Is H20309DFL3 still available?
H20309DFL3 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