The Bearing,ball,annular, cataloged under National Stock Number 3110-00-278-7348, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-278-7348 |
| Primary Part Number | 311SZZ |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | CANCELLED |
| Material | STEEL INNER RING |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Seal Quantity | 2 |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Internal Fit-Up Designation | STANDARD |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Standard Tolerance Designation | ABEC NO.1 |
| Material | STEEL BALL |
| Material | STEEL RETAINER |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Nondefinitive Spec/std Data | 111 TYPE AND 8 CLASS AND 00 GRADE |
| Material | RUBBER SYNTHETIC SEAL |
| Overall Outside Diameter | 120.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Bore Diameter | 55.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 311SZZ | Skf Usa Inc. (USA) |
| 63112RS | Ametek Inc Heat Transfer Div (USA) |
| 4-063-67-0014 | Air Products & Chemicals, Inc (USA) |
| 493750-376 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 6311DDUCE1AB2 | Nsk Corp Bearing Div (USA) |
| 311SZZ | Air Products & Chemicals, Inc (USA) |
| A-A-59585B | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA59585-211JEBE | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| FFB171TYPE111CLASS8GRADE00 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3110-00-278-7348 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-278-7348 has 9 cross-referenced part numbers: 311SZZ (Skf Usa Inc.), 63112RS (Ametek Inc Heat Transfer Div), 4-063-67-0014 (Air Products & Chemicals, Inc), 493750-376 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 6311DDUCE1AB2 (Nsk Corp Bearing Div) and 4 more.
There are 4 known substitutes for 3110-00-278-7348: 3110-00-585-1725, 3110-01-025-6482, 3110-01-034-5339 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 311SZZ: Material: STEEL INNER RING; Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Seal Quantity: 2. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-278-7348 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.