The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8933, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-8933 |
| Primary Part Number | RMS14 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Departure From Cited Designator | AS MODIFIED BY OVERALL OD,AS MODIFIED BY OVERALL WIDTH |
| Nondefinitive Spec/std Data | 115 TYPE AND 00 GRADE |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| 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 |
|---|---|
| RMS14 PRIMARY | Skf Usa Inc. (USA) |
| MS14 PRIMARY | Fag Bearings Corporation (USA) |
| SF-65-9-L PRIMARY | Cooper Machinery Services Llc (USA) |
| MS14F4 PRIMARY | Fag Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| MS14 | 5/9 Secondary reference U.S. Government activity |
| MS14 | 5/9 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
| MS14 | 5/9 Secondary reference Cooper Machinery Services Llc |
| FFB171 | 4/1 Identification reference U.S. Government activity |
NSN 3110-00-155-8933 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-8933 has 4 manufacturer part numbers on file: RMS14 (Skf Usa Inc.), MS14 (Fag Bearings Corporation), SF-65-9-L (Cooper Machinery Services Llc), MS14F4 (Fag Bearings Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5345-00-198-8055, 3895-01-299-0194, 5985-01-632-1730. Verify interchangeability with system specifications before substitution.
Key specifications for RMS14: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 12 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.