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Technical Data Sheet
PartsTable / COMPONENT / 55-22028-64
55-22028-64 ✓ 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: PAPER AND GLUE AND GLYCERIN OVERALL, bulb_type: PLAIN RIGID, case_type: DUSTPROOF AND VAPORPROOF, bulb_style: PLAIN BULB W/BENDABLE EXTENSION, scale_type: CONCENTRIC, case_diameter: 2.188 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-397-4611, 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
55-22028-64
NSN: 3120-00-397-4611
FSC: 3120
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
bulb_typePLAIN RIGID
case_typeDUSTPROOF AND VAPORPROOF
bulb_stylePLAIN BULB W/BENDABLE EXTENSION
scale_typeCONCENTRIC
bulb_quantity1
case_diameter2.188 INCHES NOMINAL IN
dial_diameter1.750 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width0.875 INCHES NOMINAL IN
overall_length5.375 INCHES NOMINAL IN
bulb_tip_length1.532 INCHES NOMINAL IN
NSN3120-00-397-4611
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 55-22028-64 · 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 13
157D1-0777Interchangeable
interchangeable cross-reference
interchangeable
10839Interchangeable
interchangeable cross-reference
interchangeable
658620Interchangeable
interchangeable cross-reference
interchangeable
239759A1Interchangeable
interchangeable cross-reference
interchangeable
356AJ60Interchangeable
interchangeable cross-reference
interchangeable
13546P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-22028-64?
55-22028-64 is a BUSHING,SLEEVE.
What parts can replace 55-22028-64?
There are 13 known substitutes for 55-22028-64: 157D1-0777, 10839, 658620 and 10 more. Substitute compatibility should be verified for your specific system.
Is 55-22028-64 still available?
55-22028-64 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026