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6556100 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6556100: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.7570 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 20.0 MICROINCHES RIGHT SIDE, outside_diameter: 1.4688 INCHES NOMINAL IN, style_designator: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-164-4533, 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
6556100
NSN: 3120-01-164-4533
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
diameter0.7570 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish20.0 MICROINCHES RIGHT SIDE
outside_diameter1.4688 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.10125 INCHES MINIMUM AND 0.10175 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification552-B,FSCM 23671 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-164-4533
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6556100 · 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
•
SURFACE FINISH: 20.0 MICROINCHES RIGHT SIDE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.10125 INCHES MINIMUM AND 0.10175 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 552-B,FSCM 23671 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.7570 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS
SURFACE FINISH20.0 MICROINCHES RIGHT SIDE
SURFACE FINISH20.0 MICROINCHES LEFT SIDE
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.10125 INCHES MINIMUM AND 0.10175 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATION552-B,FSCM 23671 MFR REF SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.7570 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.4688 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
6555100Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6556100?
6556100 is a BEARING,WASHER,THRUST.
What parts can replace 6556100?
There is 1 known substitute for 6556100: 6555100. Substitute compatibility should be verified for your specific system.
What is the NSN for 6556100?
6556100 is cataloged in the U.S. Government catalog under NSN 3120-01-164-4533. 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.