The Bearing Unit,ball, cataloged under National Stock Number 3130-01-169-2872, 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23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-169-2872 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | OIL |
| Lubrication Fitting Type | SELF LUBRICATED |
| Assembly Overall Length | 3.2500 INCHES NOMINAL IN |
| Housing Height | 2.0000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Block Type | FIXED |
| Mounting Hole Diameter | 0.2187 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 2.8750 INCHES NOMINAL IN |
| Housing Width | 3.2500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.7500 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Base Thickness | 0.3750 INCHES NOMINAL IN |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 HOUSING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BEARING |
| Housing Length | 2.6250 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.1870 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 |
|---|---|
| SPB-16-OPN | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-169-2872 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-169-2872: Seal Type: CONTACT; Lubrication Material: OIL; Lubrication Fitting Type: SELF LUBRICATED; Assembly Overall Length: 3.2500 INCHES NOMINAL IN. 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.