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M1418-12 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M1418-12: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-661-3880, 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
M1418-12
NSN: 3120-00-661-3880
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN
body_outside_diameter1.1270 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-661-3880
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M1418-12 · 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: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.1270 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.1270 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 932 OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
CB1418-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
WC1418-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
C18-573Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS35771-100Reference document
Same NSN cross-reference
Reference document — Secondary reference
H-129Reference document
Same NSN cross-reference
Reference document — Secondary reference
D348Reference 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 M1418-12?
M1418-12 is a BEARING,SLEEVE.
What parts can replace M1418-12?
There are 8 known substitutes for M1418-12: CB1418-12, WC1418-12, C18-573 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1418-12?
M1418-12 is cataloged in the U.S. Government catalog under NSN 3120-00-661-3880. 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.