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Technical Data Sheet
PartsTable / COMPONENT / 54A50A64
54A50A64 ✓ 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: 0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 6061 OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 20.0 MICROINCHES OVERALL, outside_diameter: 0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN, style_designator: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-054-4833, 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
54A50A64
NSN: 3120-00-054-4833
FSC: 3120
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
materialALUMINUM ALLOY 6061 OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish20.0 MICROINCHES OVERALL
outside_diameter0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.0615 INCHES MINIMUM AND 0.0665 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-054-4833
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 54A50A64 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
SURFACE FINISH: 20.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.7960 INCHES MINIMUM AND 0.7980 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
SURFACE FINISH20.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
MATERIALALUMINUM ALLOY 6061 OVERALL
STYLE DESIGNATORROUND
DIAMETER0.6250 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
OVERALL THICKNESS0.0615 INCHES MINIMUM AND 0.0665 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
WPP2620Interchangeable
interchangeable cross-reference
interchangeable
18801Interchangeable
interchangeable cross-reference
interchangeable
B1498DInterchangeable
interchangeable cross-reference
interchangeable
DC8N11Interchangeable
interchangeable cross-reference
interchangeable
34102EDN01D310Interchangeable
interchangeable cross-reference
interchangeable
T10023Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54A50A64?
54A50A64 is a BEARING,WASHER,THRUST.
What parts can replace 54A50A64?
There are 15 known substitutes for 54A50A64: WPP2620, 18801, B1498D and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54A50A64?
54A50A64 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-054-4833. 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