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Technical Data Sheet
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11103111 — Technical Data Sheet

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— · 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: 0.5050 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN, material: LUBRICANT LUBRICATION, corner_shape: SQUARE ALL CORNERS, outside_diameter: 0.9970 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN, style_designator: ROUND, overall_thickness: 0.0570 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3120-01-108-8516, 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
11103111
NSN: 3120-01-108-8516
FSC: 3120
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
diameter0.5050 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
materialLUBRICANT LUBRICATION
corner_shapeSQUARE ALL CORNERS
outside_diameter0.9970 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.0570 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-01-108-8516
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 11103111 · 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
•
MATERIAL: PLASTIC OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
CENTER HOLE SHAPE STYLE: ROUND
•
STYLE DESIGNATOR: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.9970 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
•
DIAMETER: 0.5050 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIALPLASTIC OVERALL
CORNER SHAPESQUARE ALL CORNERS
MATERIALLUBRICANT LUBRICATION
CENTER HOLE SHAPE STYLEROUND
STYLE DESIGNATORROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.9970 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
DIAMETER0.5050 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
OVERALL THICKNESS0.0570 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2HS626InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2714.403InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
23530707InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PWA1114-57InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
PL-H185A001 PIECE 186InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
PL-E185H001 PIECE 33InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11103111?
11103111 is a BEARING,WASHER,THRUST.
What parts can replace 11103111?
There are 7 known substitutes for 11103111: 2HS626, 2714.403, 23530707 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11103111?
11103111 is cataloged in the Federal Logistics Information System under NSN 3120-01-108-8516. 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: September 2026