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PartsTable / COMPONENT / EA52738
EA52738 ✓ 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,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include bore_diameter: 0.2620 INCHES MINIMUM AND 0.2626 INCHES MAXIMUM IN, style_designator: WITHOUT INSERT OR LINER, inner_member_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_member_width: 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN, end_item_identification: 2J-F101-4, outer_member_outside_diameter: 0.5935 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-428-4490, 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
EA52738
NSN: 3120-01-428-4490
FSC: 3120
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
bore_diameter0.2620 INCHES MINIMUM AND 0.2626 INCHES MAXIMUM IN
style_designatorWITHOUT INSERT OR LINER
inner_member_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_member_width0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
end_item_identification2J-F101-4
outer_member_outside_diameter0.5935 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN
NSN3120-01-428-4490
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: EA52738 · 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
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER
•
INNER MEMBER WIDTH: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
OUTER MEMBER OUTSIDE DIAMETER: 0.5935 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.2620 INCHES MINIMUM AND 0.2626 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION2J-F101-4
STYLE DESIGNATORWITHOUT INSERT OR LINER
INNER MEMBER WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER0.5935 INCHES MINIMUM AND 0.5940 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.1600 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM IN
BORE DIAMETER0.2620 INCHES MINIMUM AND 0.2626 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
16W01128Interchangeable
interchangeable cross-reference
interchangeable
51443Interchangeable
interchangeable cross-reference
interchangeable
6282061Interchangeable
interchangeable cross-reference
interchangeable
KSB4-43Interchangeable
Same NIIN cross-reference
interchangeable
KSB4-44Interchangeable
Same NIIN cross-reference
interchangeable
9991M76P01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EA52738?
EA52738 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace EA52738?
There are 7 known substitutes for EA52738: 16W01128, 51443, 6282061 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EA52738?
EA52738 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-428-4490. 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