The Bearing Unit,ball, cataloged under National Stock Number 3130-01-283-9272, 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23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-283-9272 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Fitting Type | WICK |
| Housing Height | 2.1875 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | STRAIGHT SLEEVE |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, TWIN, ADJUSTABLE DIAMETER |
| Mounting Hole Diameter | 0.2187 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM IN |
| Housing Width | 3.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 4.499 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | OPEN |
| Base Thickness | 0.375 INCHES NOMINAL IN |
| Bore Diameter | 0.9995 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 HOUSING |
| Material | STEEL CORROSION RESISTING SEAL |
| Housing Length | 6.000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.184 INCHES MINIMUM AND 1.190 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 |
|---|---|
| TWN-16-ADJ | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-283-9272 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-283-9272: Seal Type: CONTACT; Lubrication Fitting Type: WICK; Housing Height: 2.1875 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.