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Technical Data Sheet
PartsTable / COMPONENT / 3387-4-41
3387-4-41 ✓ 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 937 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 2.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN, body_outside_diameter: 3.0010 INCHES MINIMUM AND 3.0020 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 3120-00-661-7957, 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
3387-4-41
NSN: 3120-00-661-7957
FSC: 3120
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 937 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length2.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN
body_outside_diameter3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-661-7957
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3387-4-41 · 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: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY 937 OVERALL
•
BODY OUTSIDE DIAMETER: 3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY 937 OVERALL
BODY OUTSIDE DIAMETER3.0010 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER2.6300 INCHES MINIMUM AND 2.6320 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH2.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
RCP18BInterchangeable
interchangeable cross-reference
interchangeable
18BInterchangeable
interchangeable cross-reference
interchangeable
BA102954ISSUE1Interchangeable
interchangeable cross-reference
interchangeable
851009Interchangeable
interchangeable cross-reference
interchangeable
109197Interchangeable
interchangeable cross-reference
interchangeable
114972PC211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3387-4-41?
3387-4-41 is a BEARING,SLEEVE.
What parts can replace 3387-4-41?
There are 17 known substitutes for 3387-4-41: RCP18B, 18B, BA102954ISSUE1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3387-4-41?
3387-4-41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-661-7957. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026