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Technical Data Sheet
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M944 ✓ 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 flange_width: 0.1290 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN, overall_length: 1.2120 INCHES MINIMUM AND 1.2150 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN, body_outside_diameter: 2.6200 INCHES MINIMUM AND 2.6210 INCHES MAXIMUM IN, flange_outside_diameter: 3.4370 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 3120-00-736-1028, 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
M944
NSN: 3120-00-736-1028
FSC: 3120
CAGE: 16344 — METRIC MACHINE CO
SPECIFICATIONS
flange_width0.1290 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
overall_length1.2120 INCHES MINIMUM AND 1.2150 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
body_outside_diameter2.6200 INCHES MINIMUM AND 2.6210 INCHES MAXIMUM IN
flange_outside_diameter3.4370 INCHES NOMINAL IN
NSN3120-00-736-1028
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M944 · 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
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.6200 INCHES MINIMUM AND 2.6210 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1290 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 3.4370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
BODY INSIDE DIAMETER2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.6200 INCHES MINIMUM AND 2.6210 INCHES MAXIMUM IN
OVERALL LENGTH1.2120 INCHES MINIMUM AND 1.2150 INCHES MAXIMUM IN
FLANGE WIDTH0.1290 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER3.4370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5020BInterchangeable
interchangeable cross-reference
interchangeable
1218867-2Interchangeable
interchangeable cross-reference
interchangeable
X2043-2-0503Interchangeable
interchangeable cross-reference
interchangeable
MIL-V-22094L1Interchangeable
interchangeable cross-reference
interchangeable
W3-374B-2TSL1Interchangeable
interchangeable cross-reference
interchangeable
51531Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M944?
M944 is a BUSHING,SLEEVE.
What parts can replace M944?
There are 14 known substitutes for M944: 5020B, 1218867-2, X2043-2-0503 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M944?
M944 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-736-1028. 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