The Bearing Unit,ball, cataloged under National Stock Number 3130-00-980-4548, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-980-4548 |
| Primary Part Number | T1012BRRLB3-4 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Assembly Overall Length | 1.8120 INCHES NOMINAL IN |
| Flange Thickness | 0.4380 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Housing Width | 3.3440 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.5000 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 1.3590 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T1012BRRLB3-4 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 73648-19X2R1PC30 | 5/2 Secondary reference U.S. Government activity |
| LB3-4 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3130-00-980-4548 is a Bearing Unit,ball, manufactured by Skf Usa Inc., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-980-4548 has 1 manufacturer part number on file: T1012BRRLB3-4 (Skf Usa Inc.).
Key specifications for T1012BRRLB3-4: Seal Type: CONTACT; Assembly Overall Length: 1.8120 INCHES NOMINAL IN; Flange Thickness: 0.4380 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED. 14 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.