The Bearing,ball,annular, cataloged under National Stock Number 3110-00-555-5550, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-555-5550 |
| Primary Part Number | S3SFFS4A7MILG3278A |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | CANCELLED |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Internal Fit-Up Designation | TIGHT |
| Lubrication Material | GREASE |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.3 |
| Shield Quantity | 2 |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL OVERALL |
| Overall Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S3SFFS4A7MILG3278A | Skf Usa Inc. (USA) |
| R6FFE305A323A75C6835R | Skf Usa Inc. (USA) |
| 77R6TR3E | General Motors Corp (USA) |
| R61PPDK16-230 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 77R6MR3E | General Motors Corp Delco Moraine Ndh Div (USA) |
| HMS3KDDFS160 | Timken Co Div the Timken Company (USA) |
| 77R6T3MILG3278A | General Motors Corp (USA) |
| 77R6T1MILL3545 | General Motors Corp Delco Moraine Ndh Div (USA) |
| HS3KDDMILL3545 | Timken Co Div the Timken Company (USA) |
| R6FF0305A323A75C0045 | Skf Usa Inc. (USA) |
| 77R6T3MILG3278A | General Motors Corp Delco Moraine Ndh Div (USA) |
| 420-52-0037 | Raytheon Company Dba Raytheon (USA) |
| RS77R6MR3024MILG3278 | General Motors Corp Delco Moraine Ndh Div (USA) |
| FF-B-2844/02 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| G079011824 | Prestolite Electric Inc (USA) |
| TMS3KDDMILG3278A | Timken Co Div the Timken Company (USA) |
| 77R6TR3E | General Motors Corp Delco Moraine Ndh Div (USA) |
| FF-B-2844/02AL1EX | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| R6FFB105A023A78B7378R | Skf Usa Inc. (USA) |
| R6B105A023A78B00000 | Skf Usa Inc. (USA) |
NSN 3110-00-555-5550 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-555-5550 has 23 cross-referenced part numbers: S3SFFS4A7MILG3278A (Skf Usa Inc.), R6FFE305A323A75C6835R (Skf Usa Inc.), 77R6TR3E (General Motors Corp), R61PPDK16-230 (New Hampshire Ball Bearings Inc Div Hitech Division), 77R6MR3E (General Motors Corp Delco Moraine Ndh Div) and 18 more.
There are 12 known substitutes for 3110-00-555-5550: 3110-00-198-2741, 3110-00-289-6704, 3110-00-293-8398 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for S3SFFS4A7MILG3278A: Overall Width: 0.2813 INCHES NOMINAL IN; Bore Diameter: 0.3750 INCHES NOMINAL IN; Load Direction: RADIAL; Internal Fit-Up Designation: TIGHT. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-555-5550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.