The Bearing,ball,annular, cataloged under National Stock Number 3110-00-183-7488, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-183-7488 |
| Primary Part Number | S1297107 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 215.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Departure From Cited Designator | AS MODIFIED BY INTERNAL FIT-UP DESIGNATION |
| Nondefinitive Spec/std Data | 145 TYPE AND 00 GRADE |
| Load Direction | ANGULAR |
| Internal Fit-Up Contact Angular Direction | INWARD CONVERGENT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 100.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S1297107 PRIMARY | Westinghouse Electric Corp (USA) |
| 5320 PRIMARY | Westinghouse Electric Corp (USA) |
| 5320 PRIMARY | Skf Usa Inc. (USA) |
| S1449854 PRIMARY | Westinghouse Electric Corp (USA) |
| 5320Q8B4 PRIMARY | Skf Usa Inc. (USA) |
| 35J837PC30 PRIMARY | Westinghouse Electric Corp (USA) |
| 35J837ITEM2 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S1449854 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| FFB171 | 4/1 Identification reference U.S. Government activity |
NSN 3110-00-183-7488 is a Bearing,ball,annular, manufactured by Westinghouse Electric Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-183-7488 has 7 manufacturer part numbers on file: S1297107 (Westinghouse Electric Corp), 5320 (Westinghouse Electric Corp), 5320 (Skf Usa Inc.), S1449854 (Westinghouse Electric Corp), 5320Q8B4 (Skf Usa Inc.) and 2 more.
Key specifications for S1297107: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND; Style Designator: LOADING GROOVE, NON-SEPARABLE. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.