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491-10081-L — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

491-10081-L: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include end_item_identification: B-52 AIRCRAFT, part_name_assigned_by_controlling_agency: BEARING, PLAIN, SPHERICAL. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-302-6567, 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
491-10081-L
NSN: 3120-01-302-6567
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 82918 — THE BOEING COMPANY DIV LEGACY WICHITA (USA)
SPECIFICATIONS
end_item_identificationB-52 AIRCRAFT
part_name_assigned_by_controlling_agencyBEARING, PLAIN, SPHERICAL
NSN3120-01-302-6567
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 491-10081-L · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING, PLAIN, SPHERICAL
END ITEM IDENTIFICATIONB-52 AIRCRAFT
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 2
491-10081-504Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
491 10081-503Reference 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 491-10081-L?
491-10081-L is a BEARING,PLAIN,SPHERICAL.
What parts can replace 491-10081-L?
There are 2 known substitutes for 491-10081-L: 491-10081-504, 491 10081-503. Substitute compatibility should be verified for your specific system.
What is the NSN for 491-10081-L?
491-10081-L is cataloged in the U.S. Government catalog under NSN 3120-01-302-6567. This indicates validated use in U.S. government and defense supply chains.
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