The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-3187, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-554-3187 |
| Primary Part Number | 201KTDFS160 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | LABYRINTH |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.5000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 32.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 12.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4800 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7012PTFMILG3278A | Fag Bearings Corporation (USA) |
| 201KTDFS160 PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| WC87501X1MILG3278A | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| WC87501X1MILG3278A | 5/9 Secondary reference General Motors Corp |
| 201KTDMILG3278A | 5/9 Secondary reference Timken Co Div the Timken Company |
| 8012FMILG3278A | 5/9 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
| WC87501X1MILG3278A | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-554-3187 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-554-3187 has 2 manufacturer part numbers on file: 7012PTFMILG3278A (Fag Bearings Corporation), 201KTDFS160 (Timken Co Div the Timken Company).
Key specifications for 201KTDFS160: Retainer Fabrication Method: PRESSED; Bearing Seal Type: LABYRINTH; Lubrication Material: GREASE; Outer Ring Width: 0.5000 INCHES NOMINAL IN. 17 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.