The Bearing Unit,ball, cataloged under National Stock Number 3130-00-772-9257, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-772-9257 |
| Primary Part Number | 22839-202-1 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Seal Type | SLINGER |
| Lubrication Material | GREASE |
| Assembly Overall Length | 1.5937 INCHES NOMINAL IN |
| Housing Height | 4.2500 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.6562 INCHES NOMINAL IN |
| Mounting Hole Type | SQUARE |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Overall Outside Diameter | 4.8125 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Mounting Hole Width | 0.4062 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.9375 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.4375 INCHES NOMINAL IN |
| Material | STEEL BEARING SURFACE |
| Material | IRON MALLEABLE HOUSING |
| Material | STEEL SEAL |
| Housing Length | 1.0312 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.8125 INCHES NOMINAL IN |
| Housing Diameter | 3.6875 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 |
|---|---|
| 22839-202-1 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| LF23 | 3/9 Design control — primary reference Stephens-Adamson Inc a Sub of Allis-Chalmers Corp |
| 22839-221-1 | 5/9 Secondary reference Ward Leonard Ct Llc |
| 22839-202PCALL | 5/9 Secondary reference Ward Leonard Ct Llc |
NSN 3130-00-772-9257 is a Bearing Unit,ball, manufactured by Ward Leonard Ct Llc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-772-9257 has 1 manufacturer part number on file: 22839-202-1 (Ward Leonard Ct Llc).
Key specifications for 22839-202-1: Seal Type: SLINGER; Lubrication Material: GREASE; Assembly Overall Length: 1.5937 INCHES NOMINAL IN; Housing Height: 4.2500 INCHES NOMINAL IN. 26 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.