The Bearing Unit,ball, cataloged under National Stock Number 3130-01-342-2047, 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21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-342-2047 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | OIL |
| Lubrication Fitting Type | SELF LUBRICATED |
| Housing Height | 1.2500 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Center to Center Distance Between Mounting Holes Along Width | 1.6900 INCHES NOMINAL IN |
| Housing Width | 2.0000 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.5000 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Base Thickness | 0.2500 INCHES NOMINAL IN |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 HOUSING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BEARING |
| Housing Length | 3.5000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 0.6870 INCHES NOMINAL IN |
| Load Capability Type | RADIAL AND THRUST |
| 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 |
|---|---|
| TWN-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-342-2047 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-342-2047: Seal Type: CONTACT; Lubrication Material: OIL; Lubrication Fitting Type: SELF LUBRICATED; Housing Height: 1.2500 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.