The Bearing,ball,annular, cataloged under National Stock Number 3110-01-298-7787, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-298-7787 |
| Primary Part Number | 2MM9305W0-CR |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | OIL |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 1.6533 INCHES MINIMUM AND 1.6535 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| 2MM9305W0-CR PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 5859695-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 3110-01-298-7787 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-298-7787 has 1 manufacturer part number on file: 2MM9305W0-CR (Timken Co Div the Timken Company).
Key specifications for 2MM9305W0-CR: Retainer Fabrication Method: MACHINED; Lubrication Material: OIL; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 15 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.