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503790 — BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

503790: BALL,BEARING.

The BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: HARDNESS RATING ROCKWELL C MIN 62.0 AND MAX 64.0, rolling_element_diameter: 0.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-151-9104, 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
503790
NSN: 3110-00-151-9104
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1DF03 — ABM EQUIPMENT, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresHARDNESS RATING ROCKWELL C MIN 62.0 AND MAX 64.0
rolling_element_diameter0.5000 INCHES NOMINAL IN
NSN3110-00-151-9104
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 503790 · 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
•
ROLLING ELEMENT DIAMETER: 0.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.5000 INCHES NOMINAL IN
SPECIAL FEATURESHARDNESS RATING ROCKWELL C MIN 62.0 AND MAX 64.0
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 4
9041526Reference document
Same NSN cross-reference
Reference document — Secondary reference
999-58032-0500Reference document
Same NSN cross-reference
Reference document — Identification reference
169158Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
9111382Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503790?
503790 is a BALL,BEARING.
What parts can replace 503790?
There are 4 known substitutes for 503790: 9041526, 999-58032-0500, 169158 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503790?
503790 is cataloged in the U.S. Government catalog under NSN 3110-00-151-9104. 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.