The Bearing Unit,ball, cataloged under National Stock Number 3130-01-310-2409, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-310-2409 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Fitting Type | SELF LUBRICATED |
| Housing Height | 1.7500 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Mounting Hole Diameter | 0.1870 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 2.3650 INCHES MINIMUM AND 2.3850 INCHES MAXIMUM IN |
| Housing Width | 2.7500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Surface Treatment | CHROMIUM BEARING |
| Base Thickness | 0.3125 INCHES NOMINAL IN |
| Bore Diameter | 0.7495 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 HOUSING |
| Material | STEEL CORROSION RESISTING SEAL |
| Material | STEEL CORROSION RESISTING BEARING |
| Housing Length | 2.0625 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 0.9340 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM 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 |
|---|---|
| SPB-12-CR | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-310-2409 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-310-2409: Seal Type: CONTACT; Lubrication Fitting Type: SELF LUBRICATED; Housing Height: 1.7500 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 23 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.