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Technical Data Sheet
PartsTable / COMPONENT / 55-754
55-754 ✓ Verified by PartsTable
FSP · 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 FSP DAGGER PRO features with standard SFX size and included ATX adapter bracket to help users easily install an SFX power supply into an ATX, Micro-ATX or Mini-ITX chassis. With this compact size but comes with powerful output, especially the +12V single-rail offers VGA cards full power individually and to avoid any overloading conditions. Besides, the fully modular and all black cable design save your system an optimal airflow space and easy to make a cable management for a polished look.<br><br>The DAGGER PRO series is compatible with most Mini-ITX and Micro ATX small form factor PCs.

It is an ideal for home computer rigs but a great alternative for mini-PC enthusiasts.<br><br><b>Advance Cable Management and Flat Ribbon Cables</b><br>Fully-modular design and flat ribbon cables provide easier installation. An ideal solution for applications with space constraints, enhancing overall airflow efficiency and cable management.<br><br><b>92mm Fan Optimized for Low-Noise Operation</b><br This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-046-6733, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
55-754
NSN: 3120-00-046-6733
FSC: 3120
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
length20.000 INCHES NOMINAL IN
materialSTEEL OVERALL
base_typeSWIVEL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
coil_quantity4 1/2
inside_diameter0.312 INCHES NOMINAL IN
outside_diameter0.706 INCHES NOMINAL IN
special_featuresBOTH ENDS FLARED 13/16 IN. OD IN
style_designatorTAPERED
jaw_nominal_width5.000 INCHES IN
structural_designTHINWALL
NSN3120-00-046-6733
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 55-754 · FSP ⚠ 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
•
SURFACE TREATMENT: CHROMIUM LEFT END SURFACE
•
BORE DIAMETER: 1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
•
OUTER MEMBER OUTSIDE DIAMETER: 2.4365 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER
•
MATERIAL: STEEL COMP 630 OUTER RACE MEMBER
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMIUM LEFT END SURFACE
SURFACE TREATMENTCHROMIUM SPHERICAL SURFACE
BORE DIAMETER1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMIUM RIGHT END SURFACE
OUTER MEMBER OUTSIDE DIAMETER2.4365 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
STYLE DESIGNATORWITHOUT INSERT OR LINER
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
MATERIALSTEEL INNER MEMBER
STATIC RADIAL LOAD RATING155000 POUNDS LBS
OUTER MEMBER WIDTH0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
55754Interchangeable
interchangeable cross-reference
interchangeable
33CInterchangeable
interchangeable cross-reference
interchangeable
10250Interchangeable
interchangeable cross-reference
interchangeable
1000-24-0Interchangeable
interchangeable cross-reference
interchangeable
LHSS24-35BInterchangeable
Same NIIN cross-reference
interchangeable
HSP24-114Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-754?
55-754 is a BEARING,PLAIN,SELF-ALIGNING manufactured by FSP.
What parts can replace 55-754?
There are 9 known substitutes for 55-754: 55754, 33C, 10250 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-754?
55-754 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-046-6733. 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