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Technical Data Sheet
PartsTable / COMPONENT / 4ZGEW0638
4ZGEW0638 ✓ 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: 0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 4.8750 INCHES NOMINAL IN, special_features: HOLES EQUALLY SPACED ON 3.8750 IN. BOLT CIRCLE IN, style_designator: ROUND.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-303-4982, 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
4ZGEW0638
NSN: 3120-00-303-4982
FSC: 3120
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
diameter0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter4.8750 INCHES NOMINAL IN
special_featuresHOLES EQUALLY SPACED ON 3.8750 IN. BOLT CIRCLE IN
style_designatorROUND
overall_thickness0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
lubrication_featureGROOVE FLAT BEARING SURFACE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
bearing_surface_hole_diameter0.3125 INCHES NOMINAL FIRST IN
bearing_surface_hole_quantity4 FIRST
NSN3120-00-303-4982
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4ZGEW0638 · 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
•
DIAMETER: 0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
•
LUBRICATION FEATURE: GROOVE FLAT BEARING SURFACE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL OVERALL
•
OVERALL THICKNESS: 0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.8750 INCHES NOMINAL IN
•
BEARING SURFACE HOLE DIAMETER: 0.3125 INCHES NOMINAL FIRST IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
LUBRICATION FEATUREGROOVE FLAT BEARING SURFACE
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL OVERALL
SPECIAL FEATURESHOLES EQUALLY SPACED ON 3.8750 IN. BOLT CIRCLE IN
OVERALL THICKNESS0.0580 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.8750 INCHES NOMINAL IN
BEARING SURFACE HOLE DIAMETER0.3125 INCHES NOMINAL FIRST IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
BEARING SURFACE HOLE QUANTITY4 FIRST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
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380G12Interchangeable
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LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4ZGEW0638?
4ZGEW0638 is a BEARING,WASHER,THRUST.
What parts can replace 4ZGEW0638?
There are 12 known substitutes for 4ZGEW0638: T1A867, BPF100819, 243628 and 9 more. Substitute compatibility should be verified for your specific system.
Is 4ZGEW0638 still available?
4ZGEW0638 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026