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Technical Data Sheet
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178093 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
Hama · BALL BEARING
PRODUCT OVERVIEW

178093: BEARING,PLAIN,SPHERICAL.

- Flexible cover with especially silky rubber finish for a pleasant touch - Protects the back of the smartphone from dirt and scratches. Key specifications include special_features: 15MM MM, features_provided: DISPOSABLE, component_and_quantity: CAUTERY, 1;L-HOOK TIP, 1; TUBING FOR GRAVITY FEED SYSTEM, 1. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-109-3155, 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
178093
NSN: 3120-01-109-3155
NIINs: 011093155, 014781273
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
special_features15MM MM
features_providedDISPOSABLE
component_and_quantityCAUTERY, 1;L-HOOK TIP, 1; TUBING FOR GRAVITY FEED SYSTEM, 1
NSN3120-01-109-3155
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 178093 · Hama ⚠ 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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CORNER SHAPE: SQUARE ALL CORNERS
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BODY OUTSIDE DIAMETER: 1.2040 INCHES MINIMUM AND 1.2090 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID
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BODY INSIDE DIAMETER: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
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MATERIAL: STEEL COMP 630 OVERALL
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SPHERICAL BODY DIAMETER: 1.1560 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.2040 INCHES MINIMUM AND 1.2090 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID
OVERALL LENGTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OVERALL
SPHERICAL BODY DIAMETER1.1560 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
461415-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 178093?
178093 is a BEARING,PLAIN,SPHERICAL manufactured by Hama.
What parts can replace 178093?
There is 1 known substitute for 178093: 461415-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 178093?
178093 is cataloged in the U.S. Government catalog under NSN 3120-01-109-3155. 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.