The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-898-9744, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-898-9744 |
| Primary Part Number | R218G8 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Outer Ring Width | 1.2148 INCHES MINIMUM AND 1.2158 INCHES MAXIMUM IN |
| Internal Clearance | 0.0023 INCHES MINIMUM RADIAL AND 0.0037 INCHES MAXIMUM RADIAL IN |
| Locating Feature | ONE DIRECTION |
| Surface Finish | GROUND |
| Overall Outside Diameter | 6.6919 INCHES MINIMUM AND 6.6929 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Test Data Document | 66640-155D250 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Bore Diameter | 3.5415 INCHES MINIMUM AND 3.5421 INCHES MAXIMUM IN |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Inner Ring Width | 1.1490 INCHES MINIMUM AND 1.1520 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-00-898-9744 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-898-9744 has 4 manufacturer part numbers on file: R218G8 (Skf Usa Inc.), 468084A (Skf Usa Inc.), D3-58126 (Skf Usa Inc.), 155D250 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for R218G8: Retainer Fabrication Method: MACHINED; Outer Ring Width: 1.2148 INCHES MINIMUM AND 1.2158 INCHES MAXIMUM IN; Internal Clearance: 0.0023 INCHES MINIMUM RADIAL AND 0.0037 INCHES MAXIMUM RADIAL IN; Locating Feature: ONE DIRECTION. 14 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 3110-00-898-9744 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.