The Bearing Unit,ball, cataloged under National Stock Number 3130-01-361-5546, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-361-5546 |
| Primary Part Number | PS3-1-1/8 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | SELF LUBRICATED |
| Assembly Overall Length | 1.0930 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.166 INCHES NOMINAL IN |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.0000 INCHES NOMINAL IN |
| Shaft End Type | CLOSED |
| Bore Diameter | 1.1250 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL HOUSING |
| Material | STEEL BEARING |
| Housing Length | 0.6560 INCHES NOMINAL IN |
| Housing Diameter | 3.7500 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 |
|---|---|
| PS3-1-1/8 PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| 50211200-1 ITEM 19 | 5/9 Secondary reference U.S. Government activity |
NSN 3130-01-361-5546 is a Bearing Unit,ball, manufactured by Altra Industrial Motion Corp., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-361-5546 has 1 manufacturer part number on file: PS3-1-1/8 (Altra Industrial Motion Corp.).
Key specifications for PS3-1-1/8: Lubrication Material: GREASE; Lubrication Fitting Type: SELF LUBRICATED; Assembly Overall Length: 1.0930 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 19 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.