The Bearing,ball,annular, cataloged under National Stock Number 3110-00-945-8299, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-945-8299 |
| Primary Part Number | SB1127-1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0021 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 OR AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE OR 470978,FSCM 52676 MFR REF SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OR AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE OR 470978,FSCM 52676 MFR REF SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OR 470978,FSCM 52676 MFR REF SINGLE MATERIAL RESPONSE BALL |
| Overall Outside Diameter | 160.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 105.00 MILLIMETERS NOMINAL MM |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| SB1127-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SB1127-1 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| D2-53262SB1127-1 | 5/1 Secondary reference Skf Usa Inc. |
| 6021VAASB1127-1 | 5/1 Secondary reference Skf Usa Inc. |
| D2-53262 | 5/1 Secondary reference Skf Usa Inc. |
| 6021VAA | 5/1 Secondary reference Skf Usa Inc. |
| 121KS400SB1127-1 | 5/1 Secondary reference Skf Usa Inc. |
| 121KS400 | 5/1 Secondary reference Skf Usa Inc. |
| JM9121KVMMBRE8770 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-945-8299 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-945-8299 has 2 manufacturer part numbers on file: SB1127-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SB1127-1 (Skf Usa Inc.).
Key specifications for SB1127-1: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0021 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 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.