The Bearing Unit,roller, cataloged under National Stock Number 3130-01-378-1699, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3130-01-378-1699 |
| Primary Part Number | SPBFS22522 X 3 15/16 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Housing Height | 9.6250 INCHES NOMINAL IN |
| Block Type | FIXED |
| Style Designator | PILLOW BLOCK, OPTIONAL SPLIT |
| Center to Center Distance Between Mounting Holes Along Width | 12.6250 INCHES MINIMUM AND 14.5000 INCHES MAXIMUM IN |
| Housing Width | 16.5000 INCHES NOMINAL IN |
| Base Length | 4.7500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.7500 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Rolling Element Groove Quantity | 2 |
| Base Thickness | 2.0000 INCHES NOMINAL IN |
| Bore Diameter | 3.9375 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 6.5000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 4.9375 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 |
|---|---|
| SAF 22522 | Skf Usa Inc. (USA) |
| 1741AS523-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SPBFS22522 X 3 15/16 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 22522 | 5/9 Secondary reference Emerson Electric Co Browning Mfg Div |
NSN 3130-01-378-1699 is a Bearing Unit,roller, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-378-1699 has 3 manufacturer part numbers on file: SAF 22522 (Skf Usa Inc.), 1741AS523-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SPBFS22522 X 3 15/16 (Emerson Electric Co Browning Mfg Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-417-9514. Verify interchangeability with system specifications before substitution.
Key specifications for SPBFS22522 X 3 15/16: Housing Height: 9.6250 INCHES NOMINAL IN; Block Type: FIXED; Style Designator: PILLOW BLOCK, OPTIONAL SPLIT; Center to Center Distance Between Mounting Holes Along Width: 12.6250 INCHES MINIMUM AND 14.5000 INCHES MAXIMUM IN. 15 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.