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Technical Data Sheet
PartsTable / COMPONENT / 2-2644-5
2-2644-5 ✓ 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 material: PAPER FILTERING MEDIUM, base_shape: TEE, body_width: 1.620 INCHES NOMINAL IN, body_height: 1.500 INCHES NOMINAL IN, body_length: 0.500 INCHES MAXIMUM IN, design_type: NONREUSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-133-6641, 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
2-2644-5
NSN: 3120-00-133-6641
FSC: 3120
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
base_shapeTEE
body_width1.620 INCHES NOMINAL IN
body_height1.500 INCHES NOMINAL IN
body_length0.500 INCHES MAXIMUM IN
design_typeNONREUSABLE
corner_shapeSQUARE CENTER FLANGE LEFT BODY CORNER
flange_width0.2420 INCHES NOMINAL IN
usage_designBULKHEAD ADAPTER TO ACCOMMODATE ONE MB PLUG AND ONE BNC PLUG
body_diameter9.750 INCHES NOMINAL IN
movement_typeMOBILE
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
NSN3120-00-133-6641
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2-2644-5 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
AN6204-1AInterchangeable
interchangeable cross-reference
interchangeable
2-2644-5Interchangeable
interchangeable cross-reference
interchangeable
8176638Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-2644-5?
2-2644-5 is a BEARING,WASHER,THRUST.
What parts can replace 2-2644-5?
There are 3 known substitutes for 2-2644-5: AN6204-1A, 2-2644-5, 8176638. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-2644-5?
2-2644-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-133-6641. 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