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72057 — CHASSIS,ELECTRICAL-ELECTRONIC EQ

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

72057: CHASSIS,ELECTRICAL-ELECTRONIC EQ.

CHASSIS,ELECTRICAL-ELECTRONIC EQ. Key specifications include supplementary_features: COGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE, end_item_identification: SENTRY E3 A/C. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-048-5162, 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
72057
NSN: 3130-01-048-5162
NIINs: 010485162, 013628915
FSC: 3130 — Bearings, Mounted
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
supplementary_featuresCOGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE
end_item_identificationSENTRY E3 A/C
NSN3130-01-048-5162
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 72057 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM QQ-A-355 ALLOY 2024 T4,0.625 IN. O/A H,1.375 IN. ID,SEAT 0.63 IN. DP BY 1.422 IN. MIN 1.432 IN. MAX DIA,1.845 IN. MIN 1.850 IN. MAX OD,0.531 IN. RECESS DP,MTG FLANGE 2.188 IN. W BY 2.219 IN. LG,3 MTG HOLES,MTG HOLE DIA 0.189 IN. IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM QQ-A-355 ALLOY 2024 T4,0.625 IN. O/A H,1.375 IN. ID,SEAT 0.63 IN. DP BY 1.422 IN. MIN 1.432 IN. MAX DIA,1.845 IN. MIN 1.850 IN. MAX OD,0.531 IN. RECESS DP,MTG FLANGE 2.188 IN. W BY 2.219 IN. LG,3 MTG HOLES,MTG HOLE DIA 0.189 IN. IN
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 72057?
72057 is a CHASSIS,ELECTRICAL-ELECTRONIC EQ.
What is the NSN for 72057?
72057 is cataloged in the U.S. Government catalog under NSN 3130-01-048-5162. 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.