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Technical Data Sheet
PartsTable / COMPONENT / 65391-11626-102
65391-11626-102 ✓ 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 diameter: 3.4570 INCHES MINIMUM AND 3.4620 INCHES MAXIMUM IN, outside_diameter: 5.3360 INCHES NOMINAL IN, special_features: FOUR EQUALLY SPACED GROOVES ON EACH SIDE; TWO FLAT SPOTS ON OD SURFACE, overall_thickness: 0.1270 INCHES MINIMUM AND 0.1300 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 3120-01-134-5888, 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
65391-11626-102
NSN: 3120-01-134-5888
FSC: 3120
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
diameter3.4570 INCHES MINIMUM AND 3.4620 INCHES MAXIMUM IN
outside_diameter5.3360 INCHES NOMINAL IN
special_featuresFOUR EQUALLY SPACED GROOVES ON EACH SIDE; TWO FLAT SPOTS ON OD SURFACE
overall_thickness0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
NSN3120-01-134-5888
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 65391-11626-102 · 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
•
OVERALL THICKNESS: 0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
•
DIAMETER: 3.4570 INCHES MINIMUM AND 3.4620 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.3360 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESFOUR EQUALLY SPACED GROOVES ON EACH SIDE; TWO FLAT SPOTS ON OD SURFACE
OVERALL THICKNESS0.1270 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
DIAMETER3.4570 INCHES MINIMUM AND 3.4620 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.3360 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MB11464Interchangeable
interchangeable cross-reference
interchangeable
11464Interchangeable
interchangeable cross-reference
interchangeable
181-61Interchangeable
interchangeable cross-reference
interchangeable
43209Interchangeable
interchangeable cross-reference
interchangeable
1887725Interchangeable
interchangeable cross-reference
interchangeable
661002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65391-11626-102?
65391-11626-102 is a BEARING,WASHER,THRUST.
What parts can replace 65391-11626-102?
There are 9 known substitutes for 65391-11626-102: MB11464, 11464, 181-61 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 65391-11626-102?
65391-11626-102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-134-5888. 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