The Bearing Unit,plain, cataloged under National Stock Number 3130-01-021-2012, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-021-2012 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Lubrication Material | OIL |
| Lubrication Fitting Type | SELF LUBRICATED |
| Housing Height | 2.1250 INCHES NOMINAL IN |
| Mounting Slot Length | 0.5938 INCHES NOMINAL IN |
| Mounting Hole Type | SLOTTED |
| Style Designator | PILLOW BLOCK, SEPARABLE W/O INNERLINER |
| Features Provided | REMOVABLE LINER |
| Center to Center Distance Between Mounting Holes Along Width | 3.6562 INCHES NOMINAL IN |
| Housing Width | 4.6250 INCHES NOMINAL IN |
| Base Length | 1.3125 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Base Thickness | 0.1875 INCHES NOMINAL IN |
| Bore Diameter | 0.7505 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN |
| Material | STEEL HOUSING |
| Material | COPPER ALLOY AND STEEL BEARING |
| Housing Length | 1.3125 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.0938 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | 61 FSCM 87946 MFR REF SINGLE MATERIAL RESPONSE |
| Load Capability Type | RADIAL |
| Mounting Slot Width | 0.3906 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 |
| Reference | Meaning |
|---|---|
| BFE12P | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-021-2012 is a Bearing Unit,plain, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-021-2012: Lubrication Material: OIL; Lubrication Fitting Type: SELF LUBRICATED; Housing Height: 2.1250 INCHES NOMINAL IN; Mounting Slot Length: 0.5938 INCHES NOMINAL IN. 21 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.