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Technical Data Sheet
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J30056 — SLEEVE,OIL,RETAINING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

J30056: SLEEVE,OIL,RETAINING.

The SLEEVE,OIL,RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: RETRACTABLE KING POST. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-290-9237, 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
J30056
NSN: 3120-01-290-9237
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 07955 — SHELDAHL FLEXIBLE TECHNOLOGIES, INC. DIV SHELDAHL FLEXIBLE TECHNOLOGIES (USA)
SPECIFICATIONS
end_item_identificationRETRACTABLE KING POST
NSN3120-01-290-9237
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: J30056 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONRETRACTABLE KING POST
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J30056?
J30056 is a SLEEVE,OIL,RETAINING.
What is the NSN for J30056?
J30056 is cataloged in the U.S. Government catalog under NSN 3120-01-290-9237. This indicates validated use in U.S. government and defense supply chains.
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