PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3304A-2ZBearing,ball,annular

Skf Usa Inc. · NSN 3110-01-484-7327 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-484-7327 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-484-7327. Primary manufacturer part number: 3304A-2Z.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 2.0472 INCHES NOMINAL IN
  • Bore Diameter: 0.7874 INCHES NOMINAL IN
  • Style Designator: NON-SEPARABLE
  • 6 verified cross-references
  • Primary manufacturer: Skf Usa Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-484-7327, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-484-7327
Primary Part Number3304A-2Z
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Overall Outside Diameter2.0472 INCHES NOMINAL IN
Bore Diameter0.7874 INCHES NOMINAL IN
Style DesignatorNON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-198-23155304A-2Z/LHT55 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3120-01-484-7339556-7068391-33 INTERCHANGEABLE
Bearing,sleeve
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
556-7068391-27 Naval Sea Systems Command (USA)
556-7068391 Naval Sea Systems Command (USA)
H7933201-27 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MRC5304-SSKFF Skf Usa Inc. (USA)
3304A-2Z PRIMARY Skf Usa Inc. (USA)
MRC-5304-CFF Skf Usa Inc. (USA)
Related Parts
3110-00-198-2315INTERCHANGEABLE
BEARING,BALL,ANNULAR
5304A-2Z/LHT55
3120-01-484-7339INTERCHANGEABLE
BEARING,SLEEVE
556-7068391-33

Frequently Asked Questions

What is NSN 3110-01-484-7327?

NSN 3110-01-484-7327 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-484-7327?

NSN 3110-01-484-7327 has 6 cross-referenced part numbers: 556-7068391-27 (Naval Sea Systems Command), 556-7068391 (Naval Sea Systems Command), H7933201-27 (Electric Boat Corporation Div General Dynamics Electric Boat), MRC5304-SSKFF (Skf Usa Inc.), 3304A-2Z (Skf Usa Inc.) and 1 more.

What NSN replaces 3110-01-484-7327?

There are 2 known substitutes for 3110-01-484-7327: 3110-00-198-2315, 3120-01-484-7339. Verify interchangeability with system specifications before substitution.

What are the specifications of 3304A-2Z?

Key specifications for 3304A-2Z: End Item Identification: LOS ANGLES CLASS SSN (688); Overall Outside Diameter: 2.0472 INCHES NOMINAL IN; Bore Diameter: 0.7874 INCHES NOMINAL IN; Special Features: DIMENSIONS RAE 20X52X22 MM. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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