The Bearing Unit,ball, cataloged under National Stock Number 3130-01-341-7583, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 20 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-341-7583 |
| Primary Part Number | 124270 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Assembly Overall Length | 2.0000 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.6250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.5000 INCHES NOMINAL IN |
| Collar Location | BOTH ENDS |
| Overall Outside Diameter | 7.4375 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 6.1875 INCHES NOMINAL IN |
| Bore Diameter | 2.0000 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | RUBBER SEAL |
| Material | STEEL BEARING |
| Housing Length | 1.4687 INCHES NOMINAL IN |
| Housing Diameter | 4.5625 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 |
|---|---|
| 124270 PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
NSN 3130-01-341-7583 is a Bearing Unit,ball, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-341-7583 has 1 manufacturer part number on file: 124270 (Reliance Electric Company Dba Reliance & Dodge Brands).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-388-9681, 6750-01-414-7108. Verify interchangeability with system specifications before substitution.
Key specifications for 124270: Assembly Overall Length: 2.0000 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD; Flange Thickness: 0.6250 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED. 20 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.