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3321A012 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3321A012: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include style_designator: ROUND, mounting_hole_type: ROUND, THREADED, end_item_identification: NSN 3930-01-599-9978, cross-sectional_shape_style: RAISED SURFACE W/ APERTURE, mounting_hole_arrangement_style: THREE HOLES, part_name_assigned_by_controlling_agency: PLATE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-616-2027, 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
3321A012
NSN: 3110-01-616-2027
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 13446 — PERKINS ENGINES INC (USA)
SPECIFICATIONS
style_designatorROUND
mounting_hole_typeROUND, THREADED
end_item_identificationNSN 3930-01-599-9978
cross-sectional_shape_styleRAISED SURFACE W/ APERTURE
mounting_hole_arrangement_styleTHREE HOLES
part_name_assigned_by_controlling_agencyPLATE
NSN3110-01-616-2027
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3321A012 · 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
•
MOUNTING HOLE TYPE: ROUND, THREADED
•
MOUNTING HOLE ARRANGEMENT STYLE: THREE HOLES
•
STYLE DESIGNATOR: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RAISED SURFACE W/ APERTURE
TECHNICAL CHARACTERISTICS
MOUNTING HOLE TYPEROUND, THREADED
MOUNTING HOLE ARRANGEMENT STYLETHREE HOLES
STYLE DESIGNATORROUND
CROSS-SECTIONAL SHAPE STYLERAISED SURFACE W/ APERTURE
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE
END ITEM IDENTIFICATIONNSN 3930-01-599-9978
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3321A012?
3321A012 is a PLATE,RETAINING,BEARING.
What is the NSN for 3321A012?
3321A012 is cataloged in the U.S. Government catalog under NSN 3110-01-616-2027. 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.