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Technical Data Sheet
PartsTable / COMPONENT / 2HD552
2HD552 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include overall_length: 304.8 MILLIMETERS NOMINAL MM, body_inside_diameter: 63.5 MILLIMETERS NOMINAL MM, body_outside_diameter: 88.9 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-329-4297, 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
2HD552
NSN: 3120-01-329-4297
FSC: 3120
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
overall_length304.8 MILLIMETERS NOMINAL MM
body_inside_diameter63.5 MILLIMETERS NOMINAL MM
body_outside_diameter88.9 MILLIMETERS NOMINAL MM
NSN3120-01-329-4297
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2HD552 · 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: 88.9 MILLIMETERS NOMINAL MM
•
BODY INSIDE DIAMETER: 63.5 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER88.9 MILLIMETERS NOMINAL MM
OVERALL LENGTH304.8 MILLIMETERS NOMINAL MM
BODY INSIDE DIAMETER63.5 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
49400Interchangeable
interchangeable cross-reference
interchangeable
ODB-W049400Interchangeable
interchangeable cross-reference
interchangeable
394910Interchangeable
interchangeable cross-reference
interchangeable
4037331Interchangeable
interchangeable cross-reference
interchangeable
48961Interchangeable
interchangeable cross-reference
interchangeable
1110995Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2HD552?
2HD552 is a BUSHING,SLEEVE.
What parts can replace 2HD552?
There are 9 known substitutes for 2HD552: 49400, ODB-W049400, 394910 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HD552?
2HD552 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-329-4297. 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