The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-145-2147, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-145-2147 |
| Primary Part Number | 6890543 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0020 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Overall Outside Diameter | 8.6582 INCHES MINIMUM AND 8.6594 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 6.2988 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL ROLLER |
| Material | STEEL COMP 4340 SEPARATOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6890543 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6890543 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| PR0532WB-34 | 3/9 Design control — primary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-01-145-2147 is a Bearing,roller,cylindrical, manufactured by Rolls-Royce Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-145-2147 has 1 manufacturer part number on file: 6890543 (Rolls-Royce Corporation).
Key specifications for 6890543: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0020 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN; Locating Feature: NONLOCATING; Surface Finish: GROUND. 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.
NSN 3110-01-145-2147 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.