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Technical Data Sheet
PartsTable / COMPONENT / 55-753
55-753 ✓ Verified by PartsTable
Hama · 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,PLAIN,SELF-ALIGNING is a Hama industrial component. Key specifications include end_item_identification: KC-46A TANKER SUPPORT EQUIPMENT A, part_name_assigned_by_controlling_agency: PUMP VALVE BODY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-1228, 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
55-753
NSN: 3120-00-031-1228
FSC: 3120
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
end_item_identificationKC-46A TANKER SUPPORT EQUIPMENT A
part_name_assigned_by_controlling_agencyPUMP VALVE BODY
NSN3120-00-031-1228
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 55-753 · Hama ⚠ 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
•
OUTER MEMBER WIDTH: 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 630 OUTER RACE MEMBER
•
SURFACE TREATMENT: CHROMIUM INNER MEMBER
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER WITH STAKING GROOVE
•
INNER MEMBER WIDTH: 1.4540 INCHES MINIMUM AND 1.4590 INCHES MAXIMUM IN
•
OUTER MEMBER OUTSIDE DIAMETER: 1.5620 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM IN
•
STATIC RADIAL LOAD RATING: 40000 POUNDS LBS
TECHNICAL CHARACTERISTICS (FLIS)
OUTER MEMBER WIDTH0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
SURFACE TREATMENTCHROMIUM INNER MEMBER
STYLE DESIGNATORWITHOUT INSERT OR LINER WITH STAKING GROOVE
MATERIALSTEEL COMP 440C INNER MEMBER
INNER MEMBER WIDTH1.4540 INCHES MINIMUM AND 1.4590 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER1.5620 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING40000 POUNDS LBS
BORE DIAMETER0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1000-23-0Interchangeable
interchangeable cross-reference
interchangeable
SHP94-6PC12Interchangeable
interchangeable cross-reference
interchangeable
55-753Interchangeable
interchangeable cross-reference
interchangeable
10225Interchangeable
interchangeable cross-reference
interchangeable
2CAInterchangeable
interchangeable cross-reference
interchangeable
GGG-V-410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-753?
55-753 is a BEARING,PLAIN,SELF-ALIGNING manufactured by Hama.
What parts can replace 55-753?
There are 7 known substitutes for 55-753: 1000-23-0, SHP94-6PC12, 55-753 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-753?
55-753 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-031-1228. 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