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Technical Data Sheet
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66285 — BEARING,SLEEVE

✓ Government record, cited
Hama · BALL BEARING
PRODUCT OVERVIEW

66285: BEARING,SLEEVE.

- Stylish plastic frame - With a mount - Ground, high-quality glass - Specially coated plastic border for long-lasting frame colours - Precision mitre - Hama EasyClip closure system for quick and easy framing - Includes a heavy-duty hook This part is cataloged in the U.S. Government catalog under NSN 3120-00-517-8757, 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
66285
NSN: 3120-00-517-8757
NIINs: 005178757, 013686709
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
outside_diameter3.000 INCHES NOMINAL IN
special_featuresPOWER-LOCK,BUFFING DISC; THICK LAYER OF ABRASIVE GRAIN BONDED TO A REINFORCED NON-WOVEN NYLON PAD; FINE
abrasive_disk_typePLAIN FLAT
maximum_speed_rating_in_rpm12000.0
NSN3120-00-517-8757
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 66285 · Hama ⚠ 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 INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.4385 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.4300 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.4385 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.4300 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 66285?
66285 is a BEARING,SLEEVE manufactured by Hama.
What is the NSN for 66285?
66285 is cataloged in the U.S. Government catalog under NSN 3120-00-517-8757. 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.