The Bearing Unit,ball, cataloged under National Stock Number 3130-01-197-1332, 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 18 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-197-1332 |
| Primary Part Number | 64525-PS3 |
| 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 | 1.093 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 | 3.000 INCHES NOMINAL IN |
| Shaft End Type | CLOSED OR OPEN |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL HOUSING |
| Material | STEEL BEARING |
| Housing Length | 0.656 INCHES NOMINAL IN |
| Housing Diameter | 3.750 INCHES NOMINAL 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 |
NSN 3130-01-197-1332 is a Bearing Unit,ball, manufactured by Altra Industrial Motion Corp., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-197-1332 has 2 manufacturer part numbers on file: 64525-PS3 (Altra Industrial Motion Corp.), PS3-1 (Altra Industrial Motion Corp.).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-382-4851. Verify interchangeability with system specifications before substitution.
Key specifications for 64525-PS3: Lubrication Material: GREASE; Lubrication Fitting Type: SELF LUBRICATED; Assembly Overall Length: 1.093 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 18 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.