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6135-02-490-1101 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6135-02-490-1101: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include width: 0.3730 INCHES NOMINAL IN, diameter: 7.0150 INCHES MINIMUM AND 7.0250 INCHES MAXIMUM IN, material: COPPER ALLOY 544 OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 8.4900 INCHES MINIMUM AND 8.5100 INCHES MAXIMUM IN, style_designator: ROUND W/FLAT. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-280-6932, 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
6135-02-490-1101
NSN: 3120-01-280-6932
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
width0.3730 INCHES NOMINAL IN
diameter7.0150 INCHES MINIMUM AND 7.0250 INCHES MAXIMUM IN
materialCOPPER ALLOY 544 OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter8.4900 INCHES MINIMUM AND 8.5100 INCHES MAXIMUM IN
style_designatorROUND W/FLAT
counterbore_depth0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
overall_thickness0.1020 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM IN
lubrication_featureGROOVE LARGEST OUTSIDE DIAMETER
counterbore_diameter7.7810 INCHES MINIMUM AND 7.8120 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleCOUNTERBORED
NSN3120-01-280-6932
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6135-02-490-1101 · 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: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.1020 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND W/FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 7.0150 INCHES MINIMUM AND 7.0250 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: COUNTERBORED
•
OUTSIDE DIAMETER: 8.4900 INCHES MINIMUM AND 8.5100 INCHES MAXIMUM IN
•
LUBRICATION FEATURE: GROOVE LARGEST OUTSIDE DIAMETER
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.1020 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM IN
STYLE DESIGNATORROUND W/FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER7.0150 INCHES MINIMUM AND 7.0250 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLECOUNTERBORED
OUTSIDE DIAMETER8.4900 INCHES MINIMUM AND 8.5100 INCHES MAXIMUM IN
LUBRICATION FEATUREGROOVE LARGEST OUTSIDE DIAMETER
COUNTERBORE DEPTH0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
COUNTERBORE DIAMETER7.7810 INCHES MINIMUM AND 7.8120 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6135-02-490-1101?
6135-02-490-1101 is a BEARING,WASHER,THRUST.
What is the NSN for 6135-02-490-1101?
6135-02-490-1101 is cataloged in the U.S. Government catalog under NSN 3120-01-280-6932. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.