PartsTable
Technical Data Sheet
Download PDF

12491811 — PLATE,MOUNTING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12491811: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, width: 343.0 MILLIMETERS NOMINAL343.0 MILLIMETERS NOMINAL MM, length: 302.0 MILLIMETERS NOMINAL302.0 MILLIMETERS NOMINAL MM, material: STEEL, thickness: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, usage_design: VEHICULAR. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-338-5378, 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
12491811
NSN: 3120-00-338-5378
NIINs: 003385378, 016440669
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 75333 — KINGSBURY INC. (USA)
SPECIFICATIONS
shapeIRREGULAR
width343.0 MILLIMETERS NOMINAL343.0 MILLIMETERS NOMINAL MM
length302.0 MILLIMETERS NOMINAL302.0 MILLIMETERS NOMINAL MM
materialSTEEL
thickness0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
usage_designVEHICULAR
document_typeINDUSTRIAL DRAWING
mounting_hole_typePLAIN AND THRU HOLE
mounting_hole_diameter13.7 MILLIMETERS NOMINAL TENTH HOLE MM
mounting_hole_quantity12
end_item_identification2320-01-552-7782;TRUCK,CARGO
component_document_originGOVERNMENT
NSN3120-00-338-5378
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12491811 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
Ready to buy 12491811?
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 12491811?
12491811 is a PLATE,MOUNTING.
What is the NSN for 12491811?
12491811 is cataloged in the U.S. Government catalog under NSN 3120-00-338-5378. 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 — 12491811

✓ 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.