PartsTable
Technical Data Sheet

72001/4/1 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

72001/4/1: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: GAS MASK. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-069-7633, 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
72001/4/1
NSN: 3120-01-069-7633
NIINs: 010697633, 015298337
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationGAS MASK
NSN3120-01-069-7633
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 72001/4/1 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
LEFT END BODY DIAMETER: 0.2500 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.3745 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE FINISH32.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
LEFT END BODY DIAMETER0.2500 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.3745 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.2500 INCHES NOMINAL IN
END TO FLANGE DISTANCE0.0120 INCHES NOMINAL IN
HARDNESS RATING53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72001/4/1?
72001/4/1 is a BEARING,SLEEVE.
What is the NSN for 72001/4/1?
72001/4/1 is cataloged in the U.S. Government catalog under NSN 3120-01-069-7633. 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.