The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-256-7203, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-256-7203 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS6415 ASSN STD SINGLE TREATMENT RESPONSE CAGE |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE |
| Material Document and Classification | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS6491 ASSN STD SINGLE MATERIAL RESPONSE CAGE |
| Overall Outside Diameter | 2.9525 INCHES MINIMUM AND 2.9528 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Surface Treatment | SILVER CAGE |
| Bore Diameter | 2.0084 INCHES MINIMUM AND 2.0089 INCHES MAXIMUM IN |
| Material | STEEL COMP M50 ROLLER |
| Material | STEEL COMP 4340 CAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| AAV9109R0-106 | 3/9 Design control — primary reference Timken Co Div the Timken Company |
| 214-040-907-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-256-7203 is a Bearing,roller,cylindrical, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-256-7203: Surface Treatment Document and Classification: AMS6415 ASSN STD SINGLE TREATMENT RESPONSE CAGE; Locating Feature: NONLOCATING; Surface Finish: GROUND; Style Designator: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, 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.