PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 550116
550116 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CARTRIDGE,AIRCRAFT FIRE EXTINGUI. Key specifications include end_item_identification: NSN4220-01-448-6434, part_name_assigned_by_controlling_agency: NOSE BLOCK GUIDE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-4337, 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
550116
NSN: 3110-00-120-4337
FSC: 3110
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)
SPECIFICATIONS
end_item_identificationNSN4220-01-448-6434
part_name_assigned_by_controlling_agencyNOSE BLOCK GUIDE
NSN3110-00-120-4337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 550116 · 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
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL LENGTH1.2500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
350523Interchangeable
interchangeable cross-reference
interchangeable
354243Interchangeable
interchangeable cross-reference
interchangeable
10875241Interchangeable
interchangeable cross-reference
interchangeable
94720Interchangeable
interchangeable cross-reference
interchangeable
92460Interchangeable
interchangeable cross-reference
interchangeable
A-1-195Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 550116?
550116 is a CARTRIDGE,AIRCRAFT FIRE EXTINGUI.
What parts can replace 550116?
There are 31 known substitutes for 550116: 350523, 354243, 10875241 and 28 more. Substitute compatibility should be verified for your specific system.
Is 550116 still available?
550116 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026