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12440860 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12440860: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.5000 INCHES NOMINAL IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.2489 INCHES MINIMUM AND 2.2507 INCHES MAXIMUM IN, body_outside_diameter: 2.4365 INCHES MINIMUM AND 2.4377 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-423-7779, 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
12440860
NSN: 3120-01-423-7779
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.5000 INCHES NOMINAL IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.2489 INCHES MINIMUM AND 2.2507 INCHES MAXIMUM IN
body_outside_diameter2.4365 INCHES MINIMUM AND 2.4377 INCHES MAXIMUM IN
end_item_identification3990-01-406-1340 IMPROVED PLS FLATRACK
NSN3120-01-423-7779
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12440860 · 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
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 2.4365 INCHES MINIMUM AND 2.4377 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.2489 INCHES MINIMUM AND 2.2507 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER2.4365 INCHES MINIMUM AND 2.4377 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.2489 INCHES MINIMUM AND 2.2507 INCHES MAXIMUM IN
END ITEM IDENTIFICATION3990-01-406-1340 IMPROVED PLS FLATRACK
MATERIALCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE AND LEAD INNER LAYER
MATERIALSTEEL OUTER LAYER
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 3
36DU24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GLY.PGZ3624FReference document
Same NSN cross-reference
Reference document — Secondary reference
3HD109Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12440860?
12440860 is a BEARING,SLEEVE.
What parts can replace 12440860?
There are 3 known substitutes for 12440860: 36DU24, GLY.PGZ3624F, 3HD109. Substitute compatibility should be verified for your specific system.
What is the NSN for 12440860?
12440860 is cataloged in the U.S. Government catalog under NSN 3120-01-423-7779. This indicates validated use in U.S. government and defense supply chains.
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