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GB528BK06-008 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

GB528BK06-008: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OUTER LAYER, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.0570 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, overall_length: 0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-040-9552, 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
GB528BK06-008
NSN: 3120-00-040-9552
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 15860 — NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER LAYER
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.0570 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
overall_length0.2975 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3755 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
body_outside_diameter0.5007 INCHES MINIMUM AND 0.5012 INCHES MAXIMUM IN
flange_outside_diameter0.8550 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
material_document_and_classificationSMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
NSN3120-00-040-9552
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: GB528BK06-008 · 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: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
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 3
91024-06-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
ATF06-112-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
102-3006-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GB528BK06-008?
GB528BK06-008 is a BEARING,SLEEVE.
What parts can replace GB528BK06-008?
There are 3 known substitutes for GB528BK06-008: 91024-06-008, ATF06-112-008, 102-3006-008. Substitute compatibility should be verified for your specific system.
What is the NSN for GB528BK06-008?
GB528BK06-008 is cataloged in the U.S. Government catalog under NSN 3120-00-040-9552. 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.