The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5243, 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 13 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-5243 |
| Primary Part Number | 212R |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 110.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 60.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL BALL |
| 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 |
|---|---|
| 212R PRIMARY | Skf Usa Inc. (USA) |
NSN 3110-00-156-5243 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-156-5243 has 1 manufacturer part number on file: 212R (Skf Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-218-2783. Verify interchangeability with system specifications before substitution.
Key specifications for 212R: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE. 13 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.