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MB-40 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MB-40: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include lubricant_type: ANY ACCEPTABLE, basic_ingredient: MINERAL OIL, storage_temp_range: +0.0 TO 54.0 CELSIUS DEGC, fatty_material_type: MINERAL OIL, supplementary_features: SPEC. GRAVITY(WATER=1):1.09 APPROX;, vapor_pressure_maximum_temp_rating: 20.0 CELSIUS DEGC.

This part is cataloged in the U.S. Government catalog under NSN 3120-01-330-3193, 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
MB-40
NSN: 3120-01-330-3193
NIINs: 013303193, 016044148
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
lubricant_typeANY ACCEPTABLE
basic_ingredientMINERAL OIL
special_featuresBOILING PT: DECOMPOSES UPON BOILING;FLASH PT: 264 DEG F, (ASTM-D-92);DARK BROWN LIQUID W/ODOR OF SULFUR;% VOLATILE BY WT.<1%;NO HAZARDOUS REACTIONS IN WATER DEGF
storage_temp_range+0.0 TO 54.0 CELSIUS DEGC
fatty_material_typeMINERAL OIL
supplementary_featuresSPEC. GRAVITY(WATER=1):1.09 APPROX;
vapor_pressure_maximum_temp_rating20.0 CELSIUS DEGC
part_name_assigned_by_controlling_agencyMB-40 HONING OIL
NSN3120-01-330-3193
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MB-40 · 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
•
INNER MEMBER WIDTH: 28.0 MILLIMETERS NOMINAL MM
•
OUTER MEMBER WIDTH: 22.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 40.0 MILLIMETERS NOMINAL MM
•
MATERIAL: LUBRICANT DRY FILM LUBRICATION
•
OUTER MEMBER OUTSIDE DIAMETER: 62.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH28.0 MILLIMETERS NOMINAL MM
OUTER MEMBER WIDTH22.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONNSN 2330-01-303-8832 M1000 SEMITRAILER
BORE DIAMETER40.0 MILLIMETERS NOMINAL MM
MATERIALLUBRICANT DRY FILM LUBRICATION
MATERIALSTEEL OVERALL
OUTER MEMBER OUTSIDE DIAMETER62.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 2
40FS62Reference document
Same NSN cross-reference
Reference document — Secondary reference
GE40D0Reference 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 MB-40?
MB-40 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace MB-40?
There are 2 known substitutes for MB-40: 40FS62, GE40D0. Substitute compatibility should be verified for your specific system.
What is the NSN for MB-40?
MB-40 is cataloged in the U.S. Government catalog under NSN 3120-01-330-3193. This indicates validated use in U.S. government and defense supply chains.
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