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488783 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

488783: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include end_item_identification: CONTROL BOX ASSEMBLY (GROUND POWER UNIT - JET-EX4D/5D). This part is cataloged in the U.S.

Government catalog under NSN 3110-00-864-9404, 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
488783
NSN: 3110-00-864-9404
NIINs: 008649404, 010836300
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationCONTROL BOX ASSEMBLY (GROUND POWER UNIT - JET-EX4D/5D)
NSN3110-00-864-9404
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 488783 · 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
SUBSTITUTES & CROSS-REFERENCES 5
699243Reference document
Same NSN cross-reference
Reference document — Secondary reference
770709Reference document
Same NSN cross-reference
Reference document — Secondary reference
488782Reference document
Same NSN cross-reference
Reference document — Secondary reference
488781Reference document
Same NSN cross-reference
Reference document — Secondary reference
488784Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 488783?
488783 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 488783?
There are 5 known substitutes for 488783: 699243, 770709, 488782 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 488783?
488783 is cataloged in the U.S. Government catalog under NSN 3110-00-864-9404. 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.