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Technical Data Sheet
PartsTable / COMPONENT / 12578BR
12578BR ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: F-22. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-389-6902, 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
12578BR
NSN: 3120-00-389-6902
FSC: 3120
CAGE: 16859 — CRANE CO DBA CRANE-DEMING PUMPS DIVISION DIV DEMING PUMPS (USA)
SPECIFICATIONS
end_item_identificationF-22
NSN3120-00-389-6902
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12578BR · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
B215Interchangeable
interchangeable cross-reference
interchangeable
12578Interchangeable
interchangeable cross-reference
interchangeable
3185G003-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12578BR?
12578BR is a BEARING,SLEEVE.
What parts can replace 12578BR?
There are 3 known substitutes for 12578BR: B215, 12578, 3185G003-18. Substitute compatibility should be verified for your specific system.
Is 12578BR still available?
12578BR is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026