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104HDM — 104HDM

✓ Government record, cited
SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION · TAPERED BEARING
PRODUCT OVERVIEW

104HDM: 104HDM.

The 104HDM is a SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-01-452-1245, 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
104HDM
NSN: 3110-01-452-1245
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
Part Number104HDM
ManufacturerSCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION
NSN3110-01-452-1245
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 104HDM · SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION ⚠ 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
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SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
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OVERALL OUTSIDE DIAMETER: 1.6533 INCHES MINIMUM AND 1.6537 INCHES MAXIMUM IN
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LOAD DIRECTION: ANGULAR
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BORE DIAMETER: 0.7872 INCHES MINIMUM AND 0.7876 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C BALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH0.9348 INCHES MINIMUM AND 0.9448 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.6533 INCHES MINIMUM AND 1.6537 INCHES MAXIMUM IN
LOAD DIRECTIONANGULAR
BORE DIAMETER0.7872 INCHES MINIMUM AND 0.7876 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RACE
MATERIALPLASTIC PHENOLIC SEPARATOR
SUBSTITUTES & CROSS-REFERENCES 1
12930859Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 104HDM?
104HDM is a 104HDM manufactured by SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION.
What parts can replace 104HDM?
There is 1 known substitute for 104HDM: 12930859. Substitute compatibility should be verified for your specific system.
What is the NSN for 104HDM?
104HDM is cataloged in the U.S. Government catalog under NSN 3110-01-452-1245. 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.