The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-211-9680, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-211-9680 |
| Primary Part Number | 1P623 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Bore Shape | STRAIGHT |
| Bore Diameter | 2.1648 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM 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 |
|---|---|
| 1P623 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| MU1311V | Ntn Bearing Corporation of America (USA) |
| 1P0623 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| MU1311V | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| BU1311-23 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-211-9680 is a Bearing,roller,cylindrical, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-211-9680 has 3 manufacturer part numbers on file: 1P623 (Caterpillar Inc Div Caterpillar Defense), MU1311V (Ntn Bearing Corporation of America), 1P0623 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1P623: Surface Finish: GROUND; Overall Width: 1.1367 INCHES MINIMUM AND 1.1417 INCHES MAXIMUM IN; Bore Shape: STRAIGHT; Special Features: TWO LIP INNER RING WITH ROLLERS,NO. OUTER RING. 4 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.