The Bearing Unit,ball, cataloged under National Stock Number 3130-01-210-9474, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3130-01-210-9474 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | LABYRINTH |
| Lubrication Material | GREASE |
| Temp Rating | -20.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 2.031 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Flange Thickness | 0.500 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | ECCENTRIC CAM LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE CARTRIDGE BLOCK |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Pilot Diameter | 4.250 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 2 |
| Bolt Circle Diameter | 5.125 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Pilot Length | 0.469 INCHES NOMINAL IN |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | STEEL BEARING |
| Material | STEEL AND RUBBER SYNTHETIC SEAL |
| Material | STEEL COLLAR |
| Housing Length | 1.531 INCHES NOMINAL IN |
| Housing Diameter | 6.125 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 DEGREES NOMINAL |
| 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 |
| Reference | Meaning |
|---|---|
| FC3-U228N | 3/9 Design control — primary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| 1710-001 | 5/9 Secondary reference Vermeer Manufacturing Company Dba Vermeer Corporation |
| FC3-U228H-1 3/4 | 5/9 Secondary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| FC3-U228H | 5/9 Secondary reference Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| 1138091 | 5/9 Secondary reference Conmaco Inc |
NSN 3130-01-210-9474 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-579-3030. Verify interchangeability with system specifications before substitution.
Key specifications for 3130-01-210-9474: Seal Type: LABYRINTH; Lubrication Material: GREASE; Temp Rating: -20.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Lubrication Fitting Type: HYDRAULIC. 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.