The Bearing Unit,ball, cataloged under National Stock Number 3130-01-139-2163, 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 25 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-139-2163 |
| Primary Part Number | SFT16C |
| 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 | CONTACT |
| Lubrication Fitting Type | HYDRAULIC |
| Assembly Overall Length | 1.4375 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | SETSCREW LOCKING COLLAR |
| Seal Location | BOTH ENDS |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.4531 INCHES NOMINAL IN |
| Collar Location | ONE END |
| Overall Outside Diameter | 4.8750 INCHES NOMINAL IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 3.8906 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | IRON CAST HOUSING |
| Material | RUBBER SEAL |
| Material | STEEL BEARING |
| Housing Length | 1.0312 INCHES NOMINAL IN |
| Housing Diameter | 2.7500 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 DEGREES NOMINAL |
| Load Capability Type | RADIAL AND THRUST |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3130-01-139-2163 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 3130-01-139-2163 has 2 manufacturer part numbers on file: SFT16C (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), 121055 (Norton Company Dba Norton Construction Products Div Construction Products Div).
2 possible matches (shared part number, not a government interchangeability claim): 6160-01-194-5777, 6680-01-613-3665. Verify interchangeability with system specifications before substitution.
Key specifications for SFT16C: Seal Type: CONTACT; Lubrication Fitting Type: HYDRAULIC; Assembly Overall Length: 1.4375 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 25 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.