PartsTable
Technical Data Sheet
Download PDF

543444 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

543444: TRANSFORMER,AUDIO FREQUENCY.

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 U.S.

Government catalog 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
NIINs: 001556401, 007237442
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH15.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 6
1205Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
L205Reference document
Same NSN cross-reference
Reference document — Secondary reference
1205X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
46487Reference document
Same NSN cross-reference
Reference document — Secondary reference
CAKX1AFReference document
Same NSN cross-reference
Reference document — Secondary reference
S8010Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 543444?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 543444?
543444 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 543444?
There are 6 known substitutes for 543444: 1205, L205, 1205X1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 543444?
543444 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6401. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 543444

✓ 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.