The Bearing Unit,ball, cataloged under National Stock Number 3130-00-844-7401, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-844-7401 |
| Primary Part Number | SRF16 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co |
| Status | ACTIVE |
| Seal Type | LABYRINTH |
| Assembly Overall Length | 1.4062 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | DIRECT |
| Seal Location | BOTH ENDS |
| Block Type | FLOATING |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.4375 INCHES NOMINAL IN |
| Overall Outside Diameter | 4.5000 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.6250 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | STEEL HOUSING |
| Material | STEEL SEAL |
| Housing Length | 1.0625 INCHES NOMINAL IN |
| Housing Diameter | 2.7031 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 |
|---|---|
| SRF16 PRIMARY | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA) |
| Reference | Meaning |
|---|---|
| SRF16 | 5/9 Secondary reference Stephens-Adamson Inc a Sub of Allis-Chalmers Corp |
NSN 3130-00-844-7401 is a Bearing Unit,ball, manufactured by Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-844-7401 has 1 manufacturer part number on file: SRF16 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co).
Key specifications for SRF16: Seal Type: LABYRINTH; Assembly Overall Length: 1.4062 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD; Mounting Hole Type: ROUND, UNTHREADED. 21 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.