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Technical Data Sheet
PartsTable / COMPONENT / NK224-1
NK224-1 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 135M OR STEEL COMP 135G OVERALL G, corner_shape: SQUARE ALL CORNERS, flange_width: 0.3750 INCHES NOMINAL IN, overall_length: 0.7500 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 1.6250 INCHES NOMINAL 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 3120-01-180-6690, 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
NK224-1
NSN: 3120-01-180-6690
FSC: 3120
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 135M OR STEEL COMP 135G OVERALL G
corner_shapeSQUARE ALL CORNERS
flange_width0.3750 INCHES NOMINAL IN
overall_length0.7500 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.6250 INCHES NOMINAL IN
body_outside_diameter2.0000 INCHES NOMINAL IN
flange_outside_diameter2.6093 INCHES NOMINAL IN
material_document_and_classificationMIL-S-869 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN3120-01-180-6690
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NK224-1 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL COMP 135M OR STEEL COMP 135G OVERALL G
•
BODY INSIDE DIAMETER: 1.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.3750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-869 MIL SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 135M OR STEEL COMP 135G OVERALL G
BODY INSIDE DIAMETER1.6250 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
BODY OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
OVERALL LENGTH0.7500 INCHES NOMINAL IN
FLANGE WIDTH0.3750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-869 MIL SPEC ALL MATERIAL RESPONSES OVERALL
FLANGE OUTSIDE DIAMETER2.6093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
11155126Interchangeable
interchangeable cross-reference
interchangeable
10875Interchangeable
interchangeable cross-reference
interchangeable
10875-1Interchangeable
interchangeable cross-reference
interchangeable
577R554H15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NK224-1?
NK224-1 is a BUSHING,SLEEVE.
What parts can replace NK224-1?
There are 4 known substitutes for NK224-1: 11155126, 10875, 10875-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NK224-1?
NK224-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-180-6690. 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