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Technical Data Sheet
PartsTable / COMPONENT / 72761
72761 ✓ 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

SUPPORT,STRUCTURAL COMPONENT,AIR. Key specifications include length: 20.000 FEET NOMINAL FT, material: ALUMINUM ALLOY 7075, overall_width: 1.000 INCHES NOMINAL IN, heat_treatment: T-6 SOLUTION HEAT TREATED, overall_height: 0.750 INCHES NOMINAL IN, first_tip_style: RIGHT QUARTER RADIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-147-0966, 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
72761
NSN: 3120-00-147-0966
FSC: 3120
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
length20.000 FEET NOMINAL FT
materialALUMINUM ALLOY 7075
overall_width1.000 INCHES NOMINAL IN
heat_treatmentT-6 SOLUTION HEAT TREATED
overall_height0.750 INCHES NOMINAL IN
first_tip_styleRIGHT QUARTER RADIUS
first_tip_radius0.093 INCHES NOMINAL IN
second_tip_styleUPPER RADIUS
basic_shape_styleANGLE
left_inside_angle90.0 DEGREES NOMINAL
second_tip_radius0.093 INCHES NOMINAL IN
fabrication_methodEXTRUDED
NSN3120-00-147-0966
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 72761 · 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 5
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
S1249581Interchangeable
interchangeable cross-reference
interchangeable
12-72761Interchangeable
interchangeable cross-reference
interchangeable
72761Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 72761?
72761 is a SUPPORT,STRUCTURAL COMPONENT,AIR.
What parts can replace 72761?
There are 5 known substitutes for 72761: AMS-QQ-A-200/11, QQ-A-200/11, S1249581 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72761?
72761 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-147-0966. 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