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639862 — BEARING HALF,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

639862: BEARING HALF,SLEEVE.

The BEARING HALF,SLEEVE is a the manufacturer industrial component. Key specifications include material: LEAD ALLOY 190 INNER LAYER, hole_diameter: 0.1250 INCHES NOMINAL FIRST IN, overall_length: 1.0890 INCHES MINIMUM AND 1.0990 INCHES MAXIMUM IN, special_features: SURFACE TIN PLATED EXCEPT BORE, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-354-3776, 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
639862
NSN: 3120-00-354-3776
NIINs: 003543776, 011509669
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialLEAD ALLOY 190 INNER LAYER
hole_diameter0.1250 INCHES NOMINAL FIRST IN
overall_length1.0890 INCHES MINIMUM AND 1.0990 INCHES MAXIMUM IN
special_featuresSURFACE TIN PLATED EXCEPT BORE
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
hole_spacing_angle60.0 DEGREES NOMINAL
locking_lug_height0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
locking_lug_length0.1880 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
body_inside_diameter2.0432 INCHES MINIMUM AND 2.0440 INCHES MAXIMUM IN
body_outside_diameter2.0580 INCHES NOMINAL IN
material_document_and_classificationUNABLE TO DECODE
NSN3120-00-354-3776
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 639862 · 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
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 0.5990 INCHES MINIMUM AND 0.6040 INCHES MAXIMUM FIRST IN
•
LOCKING LUG HEIGHT: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.0580 INCHES NOMINAL IN
•
HOLE SPACING ANGLE: 60.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
BODY INSIDE DIAMETER: 2.0432 INCHES MINIMUM AND 2.0440 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING0.5990 INCHES MINIMUM AND 0.6040 INCHES MAXIMUM FIRST IN
LOCKING LUG HEIGHT0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.0580 INCHES NOMINAL IN
HOLE SPACING ANGLE60.0 DEGREES NOMINAL
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL LENGTH1.0890 INCHES MINIMUM AND 1.0990 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.0432 INCHES MINIMUM AND 2.0440 INCHES MAXIMUM IN
LOCKING LUG WIDTH0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
SPECIAL FEATURESSURFACE TIN PLATED EXCEPT BORE
SUBSTITUTES & CROSS-REFERENCES 2
7371150Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GPW6211AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 639862?
639862 is a BEARING HALF,SLEEVE.
What parts can replace 639862?
There are 2 known substitutes for 639862: 7371150, GPW6211A. Substitute compatibility should be verified for your specific system.
What is the NSN for 639862?
639862 is cataloged in the U.S. Government catalog under NSN 3120-00-354-3776. 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.