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Technical Data Sheet
PartsTable / COMPONENT / 10911055
10911055 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include corner_shape: ROUND INSIDE LEFT CORNER, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, body_inside_diameter: 1.0030 INCHES MINIMUM AND 1.0040 INCHES MAXIMUM IN, body_outside_diameter: 1.2515 INCHES MINIMUM AND 1.2520 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 3120-00-866-9322, 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
10911055
NSN: 3120-00-866-9322
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
corner_shapeROUND INSIDE LEFT CORNER
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
body_inside_diameter1.0030 INCHES MINIMUM AND 1.0040 INCHES MAXIMUM IN
body_outside_diameter1.2515 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
NSN3120-00-866-9322
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 10911055 · 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
•
CORNER SHAPE: ROUND INSIDE LEFT CORNER
•
BODY OUTSIDE DIAMETER: 1.2515 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.0030 INCHES MINIMUM AND 1.0040 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPEROUND INSIDE LEFT CORNER
BODY OUTSIDE DIAMETER1.2515 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0030 INCHES MINIMUM AND 1.0040 INCHES MAXIMUM IN
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
81100Interchangeable
interchangeable cross-reference
interchangeable
SM-B-286129Interchangeable
interchangeable cross-reference
interchangeable
1411-021-A330Interchangeable
interchangeable cross-reference
interchangeable
3591-3CNX380Interchangeable
interchangeable cross-reference
interchangeable
MS21209-F1-20Interchangeable
interchangeable cross-reference
interchangeable
336066Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10911055?
10911055 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 10911055?
There are 14 known substitutes for 10911055: 81100, SM-B-286129, 1411-021-A330 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10911055?
10911055 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-866-9322. 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