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4M372-1 — BEARING,BALL,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4M372-1: BEARING,BALL,THRUST.

The BEARING,BALL,THRUST is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BALL, special_features: F18 E/F DRAG BEAM BEARING, DIA 3.3990, end_item_identification: F 18 E/F AIRCRAFT FIGHTER, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: BEARING, PLAIN, SELF-ALIGNING-FLANGED, BERYLLIUM COPPER BALL, CRES RACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-481-9303, 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
4M372-1
NSN: 3110-01-481-9303
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BALL
special_featuresF18 E/F DRAG BEAM BEARING, DIA 3.3990
end_item_identificationF 18 E/F AIRCRAFT FIGHTER
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyBEARING, PLAIN, SELF-ALIGNING-FLANGED, BERYLLIUM COPPER BALL, CRES RACE
NSN3110-01-481-9303
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4M372-1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
MATERIAL: COPPER ALLOY BALL
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONAGAV
SPECIAL FEATURESF18 E/F DRAG BEAM BEARING, DIA 3.3990
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING, PLAIN, SELF-ALIGNING-FLANGED, BERYLLIUM COPPER BALL, CRES RACE
END ITEM IDENTIFICATIONF 18 E/F AIRCRAFT FIGHTER
MATERIALCOPPER ALLOY BALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
KWP39-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4M372-1?
4M372-1 is a BEARING,BALL,THRUST.
What parts can replace 4M372-1?
There is 1 known substitute for 4M372-1: KWP39-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4M372-1?
4M372-1 is cataloged in the U.S. Government catalog under NSN 3110-01-481-9303. 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.