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Technical Data Sheet
PartsTable / COMPONENT / AM1208
AM1208 ✓ 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: 10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, flange_thickness: 0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN, outside_diameter: 11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN, special_features: THREE MATCHED 120 DEG SEGMENTS IDENTIFIED W/A COMMON SERIAL NO., style_designator: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-073-8298, 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
AM1208
NSN: 3120-00-073-8298
FSC: 3120
CAGE: 15860 — NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION (USA)
SPECIFICATIONS
diameter10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
flange_thickness0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
outside_diameter11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN
special_featuresTHREE MATCHED 120 DEG SEGMENTS IDENTIFIED W/A COMMON SERIAL NO.
style_designatorROUND
overall_thickness1.0100 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
shank_outside_diameter10.9880 INCHES MINIMUM AND 10.9900 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleSHOULDERED
NSN3120-00-073-8298
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AM1208 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
DIAMETER: 10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN
•
SHANK OUTSIDE DIAMETER: 10.9880 INCHES MINIMUM AND 10.9900 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 1.0100 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH125.0 MICROINCHES OVERALL
SPECIAL FEATURESTHREE MATCHED 120 DEG SEGMENTS IDENTIFIED W/A COMMON SERIAL NO.
CENTER HOLE SHAPE STYLEROUND
DIAMETER10.7500 INCHES MINIMUM AND 10.7520 INCHES MAXIMUM IN
SHANK OUTSIDE DIAMETER10.9880 INCHES MINIMUM AND 10.9900 INCHES MAXIMUM IN
FLANGE THICKNESS0.3150 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM IN
OUTSIDE DIAMETER11.5430 INCHES MINIMUM AND 11.5480 INCHES MAXIMUM IN
OVERALL THICKNESS1.0100 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
CROSS-SECTIONAL SHAPE STYLESHOULDERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
10128176Interchangeable
interchangeable cross-reference
interchangeable
911-2-4Interchangeable
interchangeable cross-reference
interchangeable
AM1208Interchangeable
interchangeable cross-reference
interchangeable
AY201S3BInterchangeable
interchangeable cross-reference
interchangeable
90664Interchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AM1208?
AM1208 is a BEARING,WASHER,THRUST.
What parts can replace AM1208?
There are 8 known substitutes for AM1208: 10128176, 911-2-4, AM1208 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AM1208?
AM1208 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-073-8298. 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