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K999-800 — K999-800

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

K999-800: K999-800.

The K999-800 is a the manufacturer 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
K999-800
NSN: 3110-01-454-8943
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
Part NumberK999-800
NSN3110-01-454-8943
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K999-800 · 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
•
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
CM100JX55Reference document
Same NSN cross-reference
Reference document — Secondary reference
2784528Reference 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 K999-800?
K999-800 is a K999-800.
What parts can replace K999-800?
There are 3 known substitutes for K999-800: 2784528-1, CM100JX55, 2784528. Substitute compatibility should be verified for your specific system.
What is the NSN for K999-800?
K999-800 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 Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.