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218-0826 — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

218-0826: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include overall_length: 57.0 MILLIMETERS NOMINAL MM, body_outside_diameter: 171.15 MILLIMETERS NOMINAL MM, end_item_identification: EMERGENCY DIESEL GENERATOR SET (3512C), part_name_assigned_by_controlling_agency: BEARING-MAIN(UPPER). This part is cataloged in the U.S.

Government catalog under NSN 3120-01-643-9255, 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
218-0826
NSN: 3120-01-643-9255
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
overall_length57.0 MILLIMETERS NOMINAL MM
body_outside_diameter171.15 MILLIMETERS NOMINAL MM
end_item_identificationEMERGENCY DIESEL GENERATOR SET (3512C)
part_name_assigned_by_controlling_agencyBEARING-MAIN(UPPER)
NSN3120-01-643-9255
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 218-0826 · 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
•
BODY OUTSIDE DIAMETER: 171.15 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER171.15 MILLIMETERS NOMINAL MM
OVERALL LENGTH57.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING-MAIN(UPPER)
END ITEM IDENTIFICATIONEMERGENCY DIESEL GENERATOR SET (3512C)
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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 218-0826?
218-0826 is a BEARING HALF,SLEEVE.
What is the NSN for 218-0826?
218-0826 is cataloged in the U.S. Government catalog under NSN 3120-01-643-9255. 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.