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85728-1 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

85728-1: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8720H OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.1400 INCHES NOMINAL IN, overall_length: 0.7825 INCHES NOMINAL IN, special_features: STRAIGHT KNURL ON OD,96 DIA DIAMETRAL PITCH 0.25 IN FACE W IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-348-8565, 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
85728-1
NSN: 3120-01-348-8565
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 02101 — OECO, LLC DBA PACIFIC SCIENTIFIC OECO (USA)
SPECIFICATIONS
materialSTEEL COMP 8720H OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.1400 INCHES NOMINAL IN
overall_length0.7825 INCHES NOMINAL IN
special_featuresSTRAIGHT KNURL ON OD,96 DIA DIAMETRAL PITCH 0.25 IN FACE W IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
surface_treatmentPASSIVATE OVERALL
body_inside_diameter1.6420 INCHES MINIMUM AND 1.6440 INCHES MAXIMUM IN
body_outside_diameter1.8000 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
flange_outside_diameter2.0000 INCHES NOMINAL IN
left_internal_flange_width0.1000 INCHES NOMINAL IN
lubricant_accommodation_styleGROOVED CIRCULAR
NSN3120-01-348-8565
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 85728-1 · 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
•
LEFT INTERNAL FLANGE WIDTH: 0.1000 INCHES NOMINAL IN
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 1.5100 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.8000 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE WIDTH0.1000 INCHES NOMINAL IN
LEFT INTERNAL FLANGE HOLE DIAMETER1.5100 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.8000 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.7825 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.6420 INCHES MINIMUM AND 1.6440 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 85728-1?
85728-1 is a BEARING,SLEEVE.
What is the NSN for 85728-1?
85728-1 is cataloged in the U.S. Government catalog under NSN 3120-01-348-8565. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.