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Technical Data Sheet
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CM100JX55 — CM100JX55

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

CM100JX55: CM100JX55.

The CM100JX55 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 3110-01-454-8943, 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
CM100JX55
NSN: 3110-01-454-8943
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
Part NumberCM100JX55
ManufacturerSCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION
NSN3110-01-454-8943
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CM100JX55 · 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
•
LUBRICATION MATERIAL: OIL
•
MATERIAL: STEEL COMP M50 OUTER RING
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL
SPECIAL FEATURESGRADE ABEC 7
END ITEM IDENTIFICATIONAIRCRAFT, STARLIFTER C-141
MATERIALSTEEL COMP M50 OUTER RING
MATERIALSTEEL COMP M50 INNER RING
MATERIALSTEEL SEPARATOR
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
SUBSTITUTES & CROSS-REFERENCES 3
2784528-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
2784528Reference document
Same NSN cross-reference
Reference document — Secondary reference
K999-800Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CM100JX55?
CM100JX55 is a CM100JX55 manufactured by SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION.
What parts can replace CM100JX55?
There are 3 known substitutes for CM100JX55: 2784528-1, 2784528, K999-800. Substitute compatibility should be verified for your specific system.
What is the NSN for CM100JX55?
CM100JX55 is cataloged in the U.S. Government catalog under NSN 3110-01-454-8943. 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.