PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 543444
543444 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSIST OF,2 EA,HEADER,3 EA BELLOWS,4 EA,HEADER AND PLUG ASSY,1 EA FILL TUBE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6401, 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
543444
NSN: 3110-00-155-6401
FSC: 3110
CAGE: 65054 — WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSIST OF,2 EA,HEADER,3 EA BELLOWS,4 EA,HEADER AND PLUG ASSY,1 EA FILL TUBE
NSN3110-00-155-6401
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 543444 · 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
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL INNER RING
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 25.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
MATERIALSTEEL INNER RING
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
OVERALL WIDTH15.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
042986Interchangeable
interchangeable cross-reference
interchangeable
8060005Interchangeable
interchangeable cross-reference
interchangeable
200146Interchangeable
interchangeable cross-reference
interchangeable
S16073Interchangeable
interchangeable cross-reference
interchangeable
SRB305SInterchangeable
interchangeable cross-reference
interchangeable
1B4115Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 543444?
543444 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 543444?
There are 31 known substitutes for 543444: 042986, 8060005, 200146 and 28 more. Substitute compatibility should be verified for your specific system.
Is 543444 still available?
543444 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