The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-151-4494, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-00-151-4494 |
| Primary Part Number | 2MM209WICRDB |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 85.0 MILLIMETERS NOMINAL MM |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 45.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 BALL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | PLASTIC PHENOLIC AND GLASS RETAINER |
| 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 |
|---|---|
| 2MM209WICRDB | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 131-0377-002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-00-151-4494 is a Bearing,ball,duplex, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-4494 has 1 manufacturer part number on file: 2MM209WICRDB (Timken Co Div the Timken Company).
Key specifications for 2MM209WICRDB: Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Material Document and Classification: UNABLE TO DECODE. 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.