The Bearing Unit,ball, cataloged under National Stock Number 3130-01-022-2104, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-022-2104 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 1.3438 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.4219 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 | 3.7500 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Mounting Hole Width | 0.3438 INCHES MINIMUM IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.0000 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | IRON MALLEABLE HOUSING |
| Material | STEEL COMP E52100 BEARING |
| Material | RUBBER SYNTHETIC AND STEEL SEAL |
| Housing Length | 0.7812 INCHES NOMINAL IN |
| Housing Diameter | 2.7188 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 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 |
| Reference | Meaning |
|---|---|
| 6420086 | 5/2 Secondary reference U.S. Government activity |
| FX-WG216E | 3/9 Design control — primary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| FX-WG216U | 5/9 Secondary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| FX-WG216U | C/1 Advisory reference — outside the item-of-supply concept Fmc Corp Link-Belt Div |
NSN 3130-01-022-2104 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-022-2104: Seal Type: CONTACT; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 1.3438 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.