The Bearing Unit,plain, cataloged under National Stock Number 3130-00-142-0221, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is United States Steel Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-142-0221 |
| Primary Part Number | C3-3140PC1T05 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | United States Steel Corporation |
| Status | ACTIVE |
| Lubrication Material | OIL |
| Lubrication Fitting Type | RING |
| Housing Height | 37.2500 INCHES NOMINAL IN |
| Style Designator | PILLOW BLOCK, OPTIONAL SPLIT |
| Features Provided | REMOVABLE LINER |
| Center to Center Distance Between Mounting Holes Along Width | 29.0000 INCHES NOMINAL IN |
| Housing Width | 32.0000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Bore Diameter | 19.2770 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | TIN ALLOY BEARING SURFACE |
| Housing Length | 47.0000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 22.0000 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| 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 |
|---|---|
| C3-3140-1T05 | United States Steel Corporation (USA) |
| C3-3140PC1T05 PRIMARY | United States Steel Corporation (USA) |
| Reference | Meaning |
|---|---|
| MC267S4302-915639 | 5/2 Secondary reference U.S. Government activity |
NSN 3130-00-142-0221 is a Bearing Unit,plain, manufactured by United States Steel Corporation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-142-0221 has 2 manufacturer part numbers on file: C3-3140-1T05 (United States Steel Corporation), C3-3140PC1T05 (United States Steel Corporation).
Key specifications for C3-3140PC1T05: Lubrication Material: OIL; Lubrication Fitting Type: RING; Housing Height: 37.2500 INCHES NOMINAL IN; Style Designator: PILLOW BLOCK, OPTIONAL SPLIT. 14 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.