PartsTable
Technical Data Sheet
Download PDF

6397389 PIECE 45 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6397389 PIECE 45: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bore_diameter: 2.6700 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN, housing_diameter: 6.499 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN, style_designator: FLANGE BLOCK, bolt_circle_diameter: 6.625 INCHES NOMINAL IN, end_item_identification: PUMP CTFGL. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-351-7197, 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
6397389 PIECE 45
NSN: 3130-01-351-7197
FSC: 3130 — Bearings, Mounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bore_diameter2.6700 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN
housing_diameter6.499 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
style_designatorFLANGE BLOCK
bolt_circle_diameter6.625 INCHES NOMINAL IN
end_item_identificationPUMP CTFGL
overall_outside_diameter7.500 INCHES NOMINAL IN
NSN3130-01-351-7197
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6397389 PIECE 45 · 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
•
STYLE DESIGNATOR: FLANGE BLOCK
•
OVERALL OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 6.625 INCHES NOMINAL IN
•
BORE DIAMETER: 2.6700 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOUSING DIAMETER: 6.499 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLANGE BLOCK
OVERALL OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER6.625 INCHES NOMINAL IN
END ITEM IDENTIFICATIONPUMP CTFGL
BORE DIAMETER2.6700 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HOUSING DIAMETER6.499 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
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: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 6397389 PIECE 45?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6397389 PIECE 45?
6397389 PIECE 45 is a HOUSING,BEARING UNIT.
What is the NSN for 6397389 PIECE 45?
6397389 PIECE 45 is cataloged in the U.S. Government catalog under NSN 3130-01-351-7197. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6397389 PIECE 45

✓ 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.