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Technical Data Sheet
PartsTable / COMPONENT / H20309
H20309 ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 50.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6844, 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
H20309
NSN: 3110-00-156-6844
FSC: 3110
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
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
NSN3110-00-156-6844
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: H20309 · 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: 100.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
LOAD DIRECTION: ANGULAR
•
BORE DIAMETER: 45.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
LOAD DIRECTIONANGULAR
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
CONTACT ANGLE25.0 DEGREES MAXIMUM
BORE SHAPESTRAIGHT
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
00000-4759Interchangeable
interchangeable cross-reference
interchangeable
2710-001Interchangeable
interchangeable cross-reference
interchangeable
1613-1Interchangeable
interchangeable cross-reference
interchangeable
278-1773-000Interchangeable
interchangeable cross-reference
interchangeable
278-1773-00Interchangeable
interchangeable cross-reference
interchangeable
383-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H20309?
H20309 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace H20309?
There are 33 known substitutes for H20309: 00000-4759, 2710-001, 1613-1 and 30 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H20309?
H20309 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6844. 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