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23005539-1 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

23005539-1: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_treatment: PHOSPHATE OVERALL EXCLUDING BORE OR APERTURE, fsc_application_data: T56A427 GEARBOX, mounting_hole_diameter: 0.285 INCHES NOMINAL IN, surface_treatment_document_and_classification: 23005539 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCLUDING BORE OR APERTURE. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-342-8386, 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
23005539-1
NSN: 3130-01-342-8386
FSC: 3130 — Bearings, Mounted
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_treatmentPHOSPHATE OVERALL EXCLUDING BORE OR APERTURE
fsc_application_dataT56A427 GEARBOX
mounting_hole_diameter0.285 INCHES NOMINAL IN
surface_treatment_document_and_classification23005539 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCLUDING BORE OR APERTURE
NSN3130-01-342-8386
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 23005539-1 · 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
•
FSC APPLICATION DATA: T56A427 GEARBOX
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 23005539 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCLUDING BORE OR APERTURE
•
MOUNTING HOLE DIAMETER: 0.285 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL EXCLUDING BORE OR APERTURE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAT56A427 GEARBOX
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION23005539 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCLUDING BORE OR APERTURE
MOUNTING HOLE DIAMETER0.285 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL EXCLUDING BORE OR APERTURE
MATERIALSTEEL OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23005539-1?
23005539-1 is a HOUSING,BEARING UNIT.
What is the NSN for 23005539-1?
23005539-1 is cataloged in the U.S. Government catalog under NSN 3130-01-342-8386. 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.