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Technical Data Sheet
PartsTable / COMPONENT / 42326-2PC66
42326-2PC66 ✓ 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

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.5620 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6870 INCHES NOMINAL IN, body_outside_diameter: 1.0000 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 3120-00-369-3651, 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
42326-2PC66
NSN: 3120-00-369-3651
FSC: 3120
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.5620 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6870 INCHES NOMINAL IN
body_outside_diameter1.0000 INCHES NOMINAL IN
NSN3120-00-369-3651
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 42326-2PC66 · 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, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: STEEL OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 0.6870 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL OVERALL
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH0.5620 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.6870 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
WC40333Interchangeable
interchangeable cross-reference
interchangeable
37231Interchangeable
interchangeable cross-reference
interchangeable
37-220 WITH 52-891Interchangeable
interchangeable cross-reference
interchangeable
OO-J-571Interchangeable
interchangeable cross-reference
interchangeable
277-37231Interchangeable
interchangeable cross-reference
interchangeable
KETAC-CEMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42326-2PC66?
42326-2PC66 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 42326-2PC66?
There are 12 known substitutes for 42326-2PC66: WC40333, 37231, 37-220 WITH 52-891 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42326-2PC66?
42326-2PC66 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-369-3651. 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