PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3120002878630
3120002878630 ✓ 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 544 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7712 INCHES MINIMUM AND 0.7912 INCHES MAXIMUM IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6090 INCHES MINIMUM AND 0.6110 INCHES MAXIMUM IN, body_outside_diameter: 0.7495 INCHES MINIMUM AND 0.7505 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 3120-00-287-8630, 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
3120002878630
NSN: 3120-00-287-8630
FSC: 3120
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
materialCOPPER ALLOY 544 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7712 INCHES MINIMUM AND 0.7912 INCHES MAXIMUM IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6090 INCHES MINIMUM AND 0.6110 INCHES MAXIMUM IN
body_outside_diameter0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
lubricant_accommodation_styleINDENTED BALL
criticality_code_justificationADAR AND ADAS
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-287-8630
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3120002878630 · 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
•
LUBRICANT ACCOMMODATION STYLE: INDENTED BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: ADAR AND ADAS
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY 544 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 0.6090 INCHES MINIMUM AND 0.6110 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICANT ACCOMMODATION STYLEINDENTED BALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONADAR AND ADAS
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY 544 OVERALL
CORNER SHAPESQUARE ALL CORNERS
BODY INSIDE DIAMETER0.6090 INCHES MINIMUM AND 0.6110 INCHES MAXIMUM IN
OVERALL LENGTH0.7712 INCHES MINIMUM AND 0.7912 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11324251-2Interchangeable
interchangeable cross-reference
interchangeable
313AInterchangeable
interchangeable cross-reference
interchangeable
543425Interchangeable
interchangeable cross-reference
interchangeable
R1764Interchangeable
interchangeable cross-reference
interchangeable
313WInterchangeable
interchangeable cross-reference
interchangeable
OO-S-101 TY2ST2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3120002878630?
3120002878630 is a BEARING,SLEEVE.
What parts can replace 3120002878630?
There are 8 known substitutes for 3120002878630: 11324251-2, 313A, 543425 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3120002878630?
3120002878630 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-8630. 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