The Bearing,ball,annular, cataloged under National Stock Number 3110-00-948-6091, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-948-6091 |
| Primary Part Number | 212S400SB1157-1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0015 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| 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 | 4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | COPPER ALLOY 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 |
|---|---|
| SB1157-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 212S400SB1157-1 PRIMARY | Skf Usa Inc. (USA) |
| HDB212-1SB1157-1 | Mpb Corporation Dba Mpb Corp (USA) |
| 6212VAASB1157-1 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| JMM212KVMMBRE8786SB1157-1 | 5/9 Secondary reference Timken Co Div the Timken Company |
| JMM212KVMMBRE8786 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-948-6091 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-948-6091 has 4 manufacturer part numbers on file: SB1157-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 212S400SB1157-1 (Skf Usa Inc.), HDB212-1SB1157-1 (Mpb Corporation Dba Mpb Corp), 6212VAASB1157-1 (Skf Usa Inc.).
Key specifications for 212S400SB1157-1: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0015 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 16 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.