The Bearing Unit,ball, cataloged under National Stock Number 3130-01-295-4087, 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 28 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 | 3130-01-295-4087 |
| Primary Part Number | 125052 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Seal Type | CONTACT AND LABYRINTH |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 1.125 INCHES NOMINAL IN |
| Housing Height | 3.562 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Distance Between Grooves | 2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM IN |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FRAME TYPE |
| Mounting Hole Diameter | 0.750 INCHES NOMINAL IN |
| Housing Width | 3.125 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Shaft End Type | OPEN |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | STEEL BEARING |
| Material | PLASTIC POLYAMIDE NYLON SEAL |
| Material | IRON HOUSING |
| Housing Length | 0.718 INCHES NOMINAL IN |
| Slot Width | 0.875 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.188 INCHES NOMINAL IN |
| Groove Width | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Slot Length | 1.375 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 95.0 DEGREES NOMINAL |
| 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 3130-01-295-4087 is a Bearing Unit,ball, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-295-4087 has 2 manufacturer part numbers on file: T-UPX1 (Zimmerman Industries, Inc.), 125052 (Reliance Electric Company Dba Reliance & Dodge Brands).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-416-3138. Verify interchangeability with system specifications before substitution.
Key specifications for 125052: Seal Type: CONTACT AND LABYRINTH; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 1.125 INCHES NOMINAL IN. 28 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.