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2187379 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2187379: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include special_features: MFG NOMENCLATURE,HOUSING NO. 6 BEARING SEAL ASSEMBLY, mounting_hole_type: ROUND, UNTHREADED, mounting_hole_diameter: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN, end_item_identification: ENGINE MODEL J-52.

This part is cataloged in the U.S. Government catalog under NSN 3130-01-333-0380, 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
2187379
NSN: 3130-01-333-0380
FSC: 3130 — Bearings, Mounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresMFG NOMENCLATURE,HOUSING NO. 6 BEARING SEAL ASSEMBLY
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
end_item_identificationENGINE MODEL J-52
NSN3130-01-333-0380
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2187379 · 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
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
SPECIAL FEATURESMFG NOMENCLATURE,HOUSING NO. 6 BEARING SEAL ASSEMBLY
END ITEM IDENTIFICATIONENGINE MODEL J-52
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
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 procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2187379?
2187379 is a HOUSING,BEARING UNIT.
What is the NSN for 2187379?
2187379 is cataloged in the U.S. Government catalog under NSN 3130-01-333-0380. 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.