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Technical Data Sheet
PartsTable / COMPONENT / 12755
12755 ✓ 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 ACCELERATOR,MACHINE GUN is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: ACCELERATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-912-5207, 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
12755
NSN: 3120-00-912-5207
FSC: 3120
CAGE: 12639 — NORTHFIELD PRECISION INSTRUMENT CORP DBA NORTHFIELD PRECISION INSTRUMENT CORP (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyACCELERATOR
NSN3120-00-912-5207
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12755 · 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 17
319686R1Interchangeable
interchangeable cross-reference
interchangeable
12755AD401RInterchangeable
interchangeable cross-reference
interchangeable
12755Interchangeable
interchangeable cross-reference
interchangeable
20062Interchangeable
interchangeable cross-reference
interchangeable
C12755-20062Interchangeable
interchangeable cross-reference
interchangeable
13755Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12755?
12755 is a ACCELERATOR,MACHINE GUN.
What parts can replace 12755?
There are 17 known substitutes for 12755: 319686R1, 12755AD401R, 12755 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12755?
12755 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-912-5207. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026