The Bearing Unit,roller, cataloged under National Stock Number 3130-01-431-2135, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-431-2135 |
| Primary Part Number | SYR1-11/16-18 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Housing Height | 108.0 MILLIMETERS NOMINAL MM |
| Style Designator | PILLOW BLOCK, SOLID |
| Center to Center Distance Between Mounting Holes Along Width | 131.8 MILLIMETERS MINIMUM AND 147.6 MILLIMETERS MAXIMUM MM |
| Housing Width | 187.3 MILLIMETERS NOMINAL MM |
| Base Length | 52.4 MILLIMETERS NOMINAL MM |
| Base Thickness | 33.3 MILLIMETERS NOMINAL MM |
| Bore Diameter | 1.6875 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Height From Bottom of Base to Bore Centerline | 54.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| SYR1-11/16-18 PRIMARY | Skf Usa Inc. (USA) |
| 49541103 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
NSN 3130-01-431-2135 is a Bearing Unit,roller, manufactured by Skf Usa Inc., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-431-2135 has 2 manufacturer part numbers on file: SYR1-11/16-18 (Skf Usa Inc.), 49541103 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for SYR1-11/16-18: Housing Height: 108.0 MILLIMETERS NOMINAL MM; Style Designator: PILLOW BLOCK, SOLID; Center to Center Distance Between Mounting Holes Along Width: 131.8 MILLIMETERS MINIMUM AND 147.6 MILLIMETERS MAXIMUM MM; Housing Width: 187.3 MILLIMETERS NOMINAL MM. 9 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.