The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-366-1320, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-366-1320 |
| Primary Part Number | 40SBB64 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Inner Member Width | 3.5000 INCHES NOMINAL IN |
| Outer Member Width | 3.0000 INCHES NOMINAL IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Lubrication Feature | PERFORATION INNER MEMBER |
| Lubrication Feature | GROOVE INTERNAL INNER MEMBER |
| Surface Treatment | CADMIUM OUTER RACE MEMBER |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Bore Diameter | 4.0000 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 OVERALL |
| Outer Member Outside Diameter | 6.2500 INCHES NOMINAL IN |
| 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 |
|---|---|
| GEZ400ES | Skf Usa Inc. (USA) |
| 40SBB64 PRIMARY | Timken Co Div the Timken Company (USA) |
| B64L | Liftking Manufacturing Corp (CAN) |
| GE101Z0 | Fag Bearings Corporation (USA) |
| B64-L | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| GE101Z0 | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| B64L | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 3120-01-366-1320 is a Bearing,plain,self-Aligning, manufactured by Timken Co Div the Timken Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-366-1320 has 6 manufacturer part numbers on file: GEZ400ES (Skf Usa Inc.), 40SBB64 (Timken Co Div the Timken Company), B64L (Liftking Manufacturing Corp), GE101Z0 (Fag Bearings Corporation), B64-L (Rbc Bearings Incorporated Div West Trenton Division) and 1 more.
Key specifications for 40SBB64: Inner Member Width: 3.5000 INCHES NOMINAL IN; Outer Member Width: 3.0000 INCHES NOMINAL IN; Style Designator: WITHOUT INSERT OR LINER; Lubrication Feature: PERFORATION INNER MEMBER. 10 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.