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Technical Data Sheet
PartsTable / COMPONENT / 74555A
74555A ✓ 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

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include end_item_identification: USED ON C 142 AIRCRAFT,PART OF THE FLAP CONTROL ASSY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-1343, 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
74555A
NSN: 3110-00-117-1343
FSC: 3110
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
end_item_identificationUSED ON C 142 AIRCRAFT,PART OF THE FLAP CONTROL ASSY
NSN3110-00-117-1343
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 74555A · 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
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
OVERALL WIDTH0.3750 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
148448Interchangeable
interchangeable cross-reference
interchangeable
SP7057Interchangeable
interchangeable cross-reference
interchangeable
BH68Interchangeable
interchangeable cross-reference
interchangeable
P23005Interchangeable
interchangeable cross-reference
interchangeable
BH-68-OHInterchangeable
interchangeable cross-reference
interchangeable
148457Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74555A?
74555A is a BEARING,ROLLER,NEEDLE.
What parts can replace 74555A?
There are 20 known substitutes for 74555A: 148448, SP7057, BH68 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74555A?
74555A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-1343. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026