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Technical Data Sheet
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ST281 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST281: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 75.00 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 4910-00-078-4329, 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
ST281
NSN: 4910-00-078-4329
NIINs: 000784329, 001556416
FSC: 4910 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment
CAGE: 24975 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter75.00 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter130.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN4910-00-078-4329
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN ST281 MFR BEARING,BALL,ANNULAR
SUBSTITUTES & CROSS-REFERENCES 1
326Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST281?
ST281 is a BEARING,BALL,ANNULAR.
What parts can replace ST281?
There is 1 known substitute for ST281: 326. Substitute compatibility should be verified for your specific system.
What is the NSN for ST281?
ST281 is cataloged in the U.S. Government catalog under NSN 4910-00-078-4329. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.