The Bearing Unit,roller, cataloged under National Stock Number 3130-01-121-8454, 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21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-121-8454 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | FLUSH |
| Housing Height | 15.2500 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | ADAPTER |
| Seal Location | BOTH ENDS |
| Block Type | FLOATING |
| Style Designator | PILLOW BLOCK, OPTIONAL SPLIT |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Base Length | 8.0000 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Shaft End Type | OPEN |
| Base Thickness | 2.3875 INCHES NOMINAL IN |
| Bore Diameter | 7.1875 INCHES NOMINAL IN |
| Material | STEEL BEARING SURFACE |
| Height From Bottom of Base to Bore Centerline | 8.2500 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| D-30345 PART 2 | 5/9 Secondary reference Lockheed Corp Colby Crane and Mfg Co Lockheed Shipbuilding and Construction Co Div |
| D-33305 | 3/9 Design control — primary reference Lockheed Corp Colby Crane and Mfg Co Lockheed Shipbuilding and Construction Co Div |
NSN 3130-01-121-8454 is a Bearing Unit,roller, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-121-8454: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: FLUSH; Housing Height: 15.2500 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.