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Technical Data Sheet
PartsTable / COMPONENT / 4088-50027-001
4088-50027-001 ✓ 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: 0.5640 INCHES MINIMUM AND 0.5690 INCHES MAXIMUM IN, material: STEEL COMP 1020 OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 32.0 MICROINCHES RIGHT SIDE, hardness_rating: 58.0 ROCKWELL C MINIMUM OVERALL, outside_diameter: 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-855-1100, 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
4088-50027-001
NSN: 3120-00-855-1100
FSC: 3120
CAGE: 15090 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
diameter0.5640 INCHES MINIMUM AND 0.5690 INCHES MAXIMUM IN
materialSTEEL COMP 1020 OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish32.0 MICROINCHES RIGHT SIDE
hardness_rating58.0 ROCKWELL C MINIMUM OVERALL
outside_diameter1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
style_designatorROUND
features_providedCASEHARDENED
overall_thickness0.1850 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-855-1100
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4088-50027-001 · 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
•
FEATURES PROVIDED: CASEHARDENED
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE FINISH: 32.0 MICROINCHES LEFT SIDE
•
MATERIAL: STEEL COMP 1020 OVERALL
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM OVERALL
•
STYLE DESIGNATOR: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDCASEHARDENED
CORNER SHAPESQUARE ALL CORNERS
SURFACE FINISH32.0 MICROINCHES LEFT SIDE
MATERIALSTEEL COMP 1020 OVERALL
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
HARDNESS RATING58.0 ROCKWELL C MINIMUM OVERALL
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORROUND
CENTER HOLE SHAPE STYLEROUND
SURFACE FINISH32.0 MICROINCHES RIGHT SIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
14551102 PIECEInterchangeable
interchangeable cross-reference
interchangeable
MS17811Interchangeable
interchangeable cross-reference
interchangeable
MS17811-11Interchangeable
interchangeable cross-reference
interchangeable
MS17811-17Interchangeable
interchangeable cross-reference
interchangeable
MS17811-8Interchangeable
interchangeable cross-reference
interchangeable
MS17811-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4088-50027-001?
4088-50027-001 is a BEARING,WASHER,THRUST.
What parts can replace 4088-50027-001?
There are 15 known substitutes for 4088-50027-001: 14551102 PIECE, MS17811, MS17811-11 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4088-50027-001?
4088-50027-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-855-1100. 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