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Technical Data Sheet
PartsTable / COMPONENT / 628551
628551 ✓ 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 end_item_identification: MK 7 MOD. 2 POWER DISTRIBUTION AND CONTROL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-587-6032, 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
628551
NSN: 3120-00-587-6032
FSC: 3120
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
end_item_identificationMK 7 MOD. 2 POWER DISTRIBUTION AND CONTROL
NSN3120-00-587-6032
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 628551 · 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
•
OVERALL THICKNESS: 0.0650 INCHES MINIMUM AND 0.0652 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.5620 INCHES NOMINAL IN
•
DIAMETER: 0.2830 INCHES MINIMUM AND 0.2870 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL THICKNESS0.0650 INCHES MINIMUM AND 0.0652 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.5620 INCHES NOMINAL IN
DIAMETER0.2830 INCHES MINIMUM AND 0.2870 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
628551Interchangeable
interchangeable cross-reference
interchangeable
1628551Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 628551?
628551 is a BEARING,WASHER,THRUST.
What parts can replace 628551?
There are 2 known substitutes for 628551: 628551, 1628551. Substitute compatibility should be verified for your specific system.
What is the NSN for 628551?
628551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-587-6032. 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