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Technical Data Sheet
PartsTable / COMPONENT / 3120008686241
3120008686241 ✓ 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,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.4688 INCHES NOMINAL IN, material: COPPER ALLOY INNER LAYER, corner_shape: SQUARE ALL CORNERS, keyway_radius: 0.1562 INCHES NOMINAL IN, outside_diameter: 3.1250 INCHES NOMINAL IN, style_designator: ROUND W/KEYWAYS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-868-6241, 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
3120008686241
NSN: 3120-00-868-6241
FSC: 3120
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
diameter2.4688 INCHES NOMINAL IN
materialCOPPER ALLOY INNER LAYER
corner_shapeSQUARE ALL CORNERS
keyway_radius0.1562 INCHES NOMINAL IN
keyway_quantity2
outside_diameter3.1250 INCHES NOMINAL IN
style_designatorROUND W/KEYWAYS
overall_thickness0.0930 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
lubrication_featureGROOVE FLAT BEARING SURFACE
washer_keyway_depth0.1562 INCHES NOMINAL IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-868-6241
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3120008686241 · 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: ROUND W/KEYWAYS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799/D ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
•
WASHER KEYWAY DEPTH: 0.1562 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL COMP 1010 OUTER LAYER
•
KEYWAY RADIUS: 0.1562 INCHES NOMINAL IN
•
KEYWAY QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORROUND W/KEYWAYS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799/D ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
WASHER KEYWAY DEPTH0.1562 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 1010 OUTER LAYER
MATERIALOIL LUBRICATING LUBRICATION
KEYWAY RADIUS0.1562 INCHES NOMINAL IN
KEYWAY QUANTITY2
MATERIALCOPPER ALLOY INNER LAYER
OVERALL THICKNESS0.0930 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
WWP471Interchangeable
interchangeable cross-reference
interchangeable
WW-P-471-BDQBCHJInterchangeable
interchangeable cross-reference
interchangeable
MS51887-53ZInterchangeable
interchangeable cross-reference
interchangeable
240-0186-000Interchangeable
interchangeable cross-reference
interchangeable
240-0186-00Interchangeable
interchangeable cross-reference
interchangeable
10404-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3120008686241?
3120008686241 is a BEARING,WASHER,THRUST.
What parts can replace 3120008686241?
There are 9 known substitutes for 3120008686241: WWP471, WW-P-471-BDQBCHJ, MS51887-53Z and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3120008686241?
3120008686241 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-868-6241. 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