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M-12-2-9 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M-12-2-9: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 937 OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 1.2500 INCHES NOMINAL IN, surface_finish: 57.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-707-6929, 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
M-12-2-9
NSN: 3120-00-707-6929
NIINs: 007076929, 014485036
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 937 OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length1.2500 INCHES NOMINAL IN
surface_finish57.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter3.2530 INCHES MINIMUM AND 3.2540 INCHES MAXIMUM IN
body_outside_diameter3.6270 INCHES MINIMUM AND 3.6280 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 EXTERNAL
antirotation/lubrication_type_and_quantity4 HOLE
NSN3120-00-707-6929
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M-12-2-9 · 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
•
SURFACE FINISH: 28.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 3.6270 INCHES MINIMUM AND 3.6280 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 3.2530 INCHES MINIMUM AND 3.2540 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH28.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH57.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER3.6270 INCHES MINIMUM AND 3.6280 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.2500 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.2530 INCHES MINIMUM AND 3.2540 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
ANTIROTATION/LUBRICATION TYPE AND QUANTITY4 HOLE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-12-2-9?
M-12-2-9 is a BEARING,SLEEVE.
What is the NSN for M-12-2-9?
M-12-2-9 is cataloged in the U.S. Government catalog under NSN 3120-00-707-6929. This indicates validated use in U.S. government and defense supply chains.
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