The Bearing Unit,ball, cataloged under National Stock Number 3130-00-227-2102, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-227-2102 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Seal Type | LABYRINTH |
| Lubrication Material | GREASE |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 2.1250 INCHES NOMINAL IN |
| Housing Height | 4.2500 INCHES NOMINAL IN |
| Mounting Slot Length | 0.8125 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | SLOTTED |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, SOLID |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Center to Center Distance Between Mounting Holes Along Width | 5.7500 INCHES NOMINAL IN |
| Housing Width | 7.5000 INCHES NOMINAL IN |
| Base Length | 2.1250 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Shaft End Type | OPEN |
| Base Thickness | 0.6875 INCHES NOMINAL IN |
| Bore Diameter | 1.6250 INCHES NOMINAL IN |
| Material | STEEL AND WOOL SEAL |
| Material | IRON CAST HOUSING |
| Height From Bottom of Base to Bore Centerline | 2.1250 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL |
| Mounting Slot Width | 0.5625 INCHES NOMINAL IN |
| 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 |
|---|---|
| A3105-33 | 3/2 Design control — primary reference U.S. Government activity |
| NP26 | 5/9 Secondary reference Stephens-Adamson Inc a Sub of Allis-Chalmers Corp |
NSN 3130-00-227-2102 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-00-227-2102: Seal Type: LABYRINTH; Lubrication Material: GREASE; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 2.1250 INCHES NOMINAL IN. 27 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.