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Technical Data Sheet
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30311-0019 — 30311-0019

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

30311-0019: 30311-0019.

The 30311-0019 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-01-455-8625, 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
30311-0019
NSN: 3110-01-455-8625
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 17885 — AVERY WEIGH-TRONIX, LLC DBA DILLON DIV AV CO1 LIMITED (USA)
SPECIFICATIONS
Part Number30311-0019
NSN3110-01-455-8625
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30311-0019 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED ON A 5 INCH AP DYNAMOMETER 500-20K; 0.0781 INSIDE DIAMETER IN
END ITEM IDENTIFICATIONWHIDBEY ISLAND CLASS LSD
SUBSTITUTES & CROSS-REFERENCES 1
30040 ITEM 6Reference document
Same NSN cross-reference
Reference document — Secondary 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 30311-0019?
30311-0019 is a 30311-0019.
What parts can replace 30311-0019?
There is 1 known substitute for 30311-0019: 30040 ITEM 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 30311-0019?
30311-0019 is cataloged in the U.S. Government catalog under NSN 3110-01-455-8625. This indicates validated use in U.S. government and defense supply chains.
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