The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-198-4183, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-198-4183 |
| Primary Part Number | 7101KRDB |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 1.1020 INCHES MINIMUM AND 1.1024 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Bore Diameter | 0.4721 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC PHENOLIC RETAINER |
| 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 |
|---|---|
| 7101KRDB PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21201-1090 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| Q0L01DB | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-01-198-4183 is a Bearing,ball,duplex, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-198-4183 has 1 manufacturer part number on file: 7101KRDB (Skf Usa Inc.).
Key specifications for 7101KRDB: Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Overall Width: 0.6279 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN; Overall Outside Diameter: 1.1020 INCHES MINIMUM AND 1.1024 INCHES MAXIMUM IN. 9 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.