The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-221-9700, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-00-221-9700 |
| Primary Part Number | MR118KC102 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0042 INCHES MINIMUM RADIAL AND 0.0048 INCHES MAXIMUM RADIAL IN |
| Locating Feature | TWO DIRECTION |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE |
| Material Document and Classification | AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 140.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.5 |
| Bore Diameter | 90.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 4340 RETAINER |
| Material | STEEL COMP M50 ROLLER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| MR118KC102 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 44049D251 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-00-221-9700 is a Bearing,roller,cylindrical, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-221-9700 has 1 manufacturer part number on file: MR118KC102 (Skf Usa Inc.).
Key specifications for MR118KC102: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0042 INCHES MINIMUM RADIAL AND 0.0048 INCHES MAXIMUM RADIAL IN; Locating Feature: TWO DIRECTION; Surface Finish: GROUND. 17 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.