The Bearing Unit,ball, cataloged under National Stock Number 3130-01-131-2437, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 30 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-131-2437 |
| Primary Part Number | F-WG-223E |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 1.5312 INCHES NOMINAL IN |
| Housing Height | 4.1562 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.9375 INCHES NOMINAL IN |
| Mounting Hole Type | SQUARE |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE BEARING |
| Collar Location | ONE END |
| 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 | IRON MALLEABLE HOUSING |
| Material | STEEL COMP E52100 BEARING |
| Material | RUBBER SYNTHETIC AND STEEL SEAL |
| Housing Length | 0.9375 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.4062 INCHES NOMINAL IN |
| Housing Diameter | 3.5000 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 30.0 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 |
| Part Number | Manufacturer |
|---|---|
| F-WG-223E PRIMARY | Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| F-WG-223U | 5/9 Secondary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| F-2G-223E | 5/9 Secondary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| 11B11 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 11B11 | 5/9 Secondary reference Barber-Greene Co |
NSN 3130-01-131-2437 is a Bearing Unit,ball, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-131-2437 has 1 manufacturer part number on file: F-WG-223E (Rexnord Industries, Llc Div Link-Belt Bearing Operation).
Key specifications for F-WG-223E: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 1.5312 INCHES NOMINAL IN. 30 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.