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Technical Data Sheet
PartsTable / COMPONENT / MD20354
MD20354 ✓ 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: COPPER ALLOY INNER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES, surface_treatment: TIN INSIDE DIAMETER SURFACE OF BODY, body_inside_diameter: 2.1255 INCHES MINIMUM AND 2.1260 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 3120-00-044-5261, 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
MD20354
NSN: 3120-00-044-5261
FSC: 3120
CAGE: 76558 — MWM-MURPHY DIESEL CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY INNER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
surface_treatmentTIN INSIDE DIAMETER SURFACE OF BODY
body_inside_diameter2.1255 INCHES MINIMUM AND 2.1260 INCHES MAXIMUM IN
body_outside_diameter2.3805 INCHES MINIMUM AND 2.3825 INCHES MAXIMUM IN
NSN3120-00-044-5261
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MD20354 · 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
•
SURFACE TREATMENT: TIN INSIDE DIAMETER SURFACE OF BODY
•
MATERIAL: COPPER ALLOY INNER LAYER
•
BODY OUTSIDE DIAMETER: 2.3805 INCHES MINIMUM AND 2.3825 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.1255 INCHES MINIMUM AND 2.1260 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
SURFACE TREATMENTTIN INSIDE DIAMETER SURFACE OF BODY
MATERIALCOPPER ALLOY INNER LAYER
BODY OUTSIDE DIAMETER2.3805 INCHES MINIMUM AND 2.3825 INCHES MAXIMUM IN
MATERIALSTEEL OUTER LAYER
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER2.1255 INCHES MINIMUM AND 2.1260 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
818Interchangeable
interchangeable cross-reference
interchangeable
10022492Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MD20354?
MD20354 is a BUSHING,SLEEVE.
What parts can replace MD20354?
There are 2 known substitutes for MD20354: 818, 10022492. Substitute compatibility should be verified for your specific system.
What is the NSN for MD20354?
MD20354 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-044-5261. 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