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VFCS-331 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

VFCS-331: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include pilot_diameter: 4.500 INCHES NOMINAL IN, housing_diameter: 6.750 INCHES NOMINAL IN, special_features: SHAFT SIZE 1-15/16 INCHES IN, bolt_circle_diameter: 5.125 INCHES NOMINAL IN, assembly_overall_length: 2.188 INCHES NOMINAL IN, end_item_identification: HOIST ASSEMBLY, PART NUMBER 170716 ABOARD 420 FT WAGB COAST GUARD VESSELS FT. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-441-2881, 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
VFCS-331
NSN: 3130-01-441-2881
FSC: 3130 — Bearings, Mounted
CAGE: 71176 — EMERSON ELECTRIC CO BROWNING MFG DIV (USA)
SPECIFICATIONS
pilot_diameter4.500 INCHES NOMINAL IN
housing_diameter6.750 INCHES NOMINAL IN
special_featuresSHAFT SIZE 1-15/16 INCHES IN
bolt_circle_diameter5.125 INCHES NOMINAL IN
assembly_overall_length2.188 INCHES NOMINAL IN
end_item_identificationHOIST ASSEMBLY, PART NUMBER 170716 ABOARD 420 FT WAGB COAST GUARD VESSELS FT
NSN3130-01-441-2881
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: VFCS-331 · 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
•
ASSEMBLY OVERALL LENGTH: 2.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGE CARTRIDGE BLOCK
•
PILOT DIAMETER: 4.500 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 5.125 INCHES NOMINAL IN
•
HOUSING DIAMETER: 6.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ASSEMBLY OVERALL LENGTH2.188 INCHES NOMINAL IN
STYLE DESIGNATORFLANGE CARTRIDGE BLOCK
PILOT DIAMETER4.500 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER5.125 INCHES NOMINAL IN
SPECIAL FEATURESSHAFT SIZE 1-15/16 INCHES IN
END ITEM IDENTIFICATIONHOIST ASSEMBLY, PART NUMBER 170716 ABOARD 420 FT WAGB COAST GUARD VESSELS FT
HOUSING DIAMETER6.750 INCHES NOMINAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VFCS-331?
VFCS-331 is a BEARING UNIT,BALL.
What is the NSN for VFCS-331?
VFCS-331 is cataloged in the U.S. Government catalog under NSN 3130-01-441-2881. 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.