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3268608 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3268608: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: ALUMINUM BEARING, bore_diameter: 3.5000 INCHES NOMINAL IN, alignment_type: RIGID, housing_length: 3.8150 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-738-8481, 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
3268608
NSN: 3130-00-738-8481
FSC: 3130 — Bearings, Mounted
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialALUMINUM BEARING
bore_diameter3.5000 INCHES NOMINAL IN
alignment_typeRIGID
housing_length3.8150 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.5000 INCHES NOMINAL IN
housing_diameter8.6250 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
features_providedREMOVABLE LINER
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter7.5000 INCHES NOMINAL IN
load_capability_typeRADIAL
NSN3130-00-738-8481
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3268608 · 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
•
FLANGE THICKNESS: 0.5000 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.5300 INCHES NOMINAL IN
•
FEATURES PROVIDED: REMOVABLE LINER
•
ALIGNMENT TYPE: RIGID
•
BOLT CIRCLE DIAMETER: 7.5000 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.5000 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.5300 INCHES NOMINAL IN
FEATURES PROVIDEDREMOVABLE LINER
ALIGNMENT TYPERIGID
BOLT CIRCLE DIAMETER7.5000 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER3.5000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY HOUSING
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
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 3268608?
3268608 is a BEARING UNIT,PLAIN.
What is the NSN for 3268608?
3268608 is cataloged in the U.S. Government catalog under NSN 3130-00-738-8481. 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.