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Technical Data Sheet
PartsTable / COMPONENT / 75B3440
75B3440 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_length: 1.3125 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN, body_outside_diameter: 1.4395 INCHES MINIMUM AND 1.4405 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 3120-00-338-7858, 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
75B3440
NSN: 3120-00-338-7858
FSC: 3120
CAGE: 81601 — NORFOLK NAVAL SHIPYARD (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_length1.3125 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN
body_outside_diameter1.4395 INCHES MINIMUM AND 1.4405 INCHES MAXIMUM IN
NSN3120-00-338-7858
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 75B3440 · 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 INSIDE DIAMETER: 1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 1.4395 INCHES MINIMUM AND 1.4405 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.2410 INCHES MINIMUM AND 1.2420 INCHES MAXIMUM IN
OVERALL LENGTH1.3125 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER1.4395 INCHES MINIMUM AND 1.4405 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
300-10060-4Interchangeable
interchangeable cross-reference
interchangeable
203206Interchangeable
interchangeable cross-reference
interchangeable
FS1006Interchangeable
interchangeable cross-reference
interchangeable
6206-2RS-LBInterchangeable
interchangeable cross-reference
interchangeable
8436800-14Interchangeable
interchangeable cross-reference
interchangeable
0892Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 75B3440?
75B3440 is a BEARING,SLEEVE.
What parts can replace 75B3440?
There are 32 known substitutes for 75B3440: 300-10060-4, 203206, FS1006 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 75B3440?
75B3440 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-338-7858. 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