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6410887B — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6410887B: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY INNER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN, surface_treatment: TIN OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-902-6506, 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
6410887B
NSN: 3120-00-902-6506
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialCOPPER ALLOY INNER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
surface_treatmentTIN OVERALL
locking_lug_height0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
locking_lug_length0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
body_inside_diameter3.2509 INCHES MINIMUM AND 3.2524 INCHES MAXIMUM IN
body_outside_diameter3.5015 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM IN
distance_from_lug_end_to_end_of_bearing0.3090 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
NSN3120-00-902-6506
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6410887B · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
LOCKING LUG HEIGHT: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 3.5015 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 3.2509 INCHES MINIMUM AND 3.2524 INCHES MAXIMUM IN
•
LOCKING LUG WIDTH: 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
•
SURFACE TREATMENT: TIN OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
LOCKING LUG HEIGHT0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER3.5015 INCHES MINIMUM AND 3.5020 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN
BODY INSIDE DIAMETER3.2509 INCHES MINIMUM AND 3.2524 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
SURFACE TREATMENTTIN OVERALL
DISTANCE FROM LUG END TO END OF BEARING0.3090 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
6410887Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6410887B?
6410887B is a BEARING HALF,SLEEVE.
What parts can replace 6410887B?
There is 1 known substitute for 6410887B: 6410887. Substitute compatibility should be verified for your specific system.
What is the NSN for 6410887B?
6410887B is cataloged in the U.S. Government catalog under NSN 3120-00-902-6506. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.