The Bearing Unit,ball, cataloged under National Stock Number 3130-01-588-2128, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-588-2128 |
| Primary Part Number | 6T-1-1/4S |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Lubrication Fitting Type | PIPE PLUG |
| Assembly Overall Length | 2.000 INCHES NOMINAL IN |
| Flange Thickness | 0.562 INCHES NOMINAL IN |
| Rotating Element Locking Method | ECCENTRIC CAM LOCKING COLLAR |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Collar Location | ONE END |
| Overall Outside Diameter | 5.594 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 4.594 INCHES NOMINAL IN |
| Bore Diameter | 1.2500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 1.344 INCHES NOMINAL IN |
| Housing Diameter | 3.297 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| 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 |
NSN 3130-01-588-2128 is a Bearing Unit,ball, manufactured by Altra Industrial Motion Corp., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-588-2128 has 2 manufacturer part numbers on file: 06998 (Altra Industrial Motion Corp.), 6T-1-1/4S (Altra Industrial Motion Corp.).
Key specifications for 6T-1-1/4S: Lubrication Fitting Type: PIPE PLUG; Assembly Overall Length: 2.000 INCHES NOMINAL IN; Flange Thickness: 0.562 INCHES NOMINAL IN; Rotating Element Locking Method: ECCENTRIC CAM LOCKING COLLAR. 17 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.