The Bearing Unit,ball, cataloged under National Stock Number 3130-01-138-9739, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-138-9739 |
| Primary Part Number | TB28C |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co |
| Status | ACTIVE |
| Shaft End Type | OPEN |
| Material | RUBBER SEAL |
| Material | STEEL BEARING SURFACE |
| Style Designator | PILLOW BLOCK, SOLID |
| Seal Location | BOTH ENDS |
| Housing Height | 4.2500 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.1250 INCHES NOMINAL IN |
| Assembly Overall Length | 2.0000 INCHES NOMINAL IN |
| Base Length | 2.0000 INCHES NOMINAL IN |
| Block Type | FIXED |
| Internal Fit-Up Designation | STANDARD |
| Collar Location | ONE END |
| Lubrication Fitting Type | HYDRAULIC |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL |
| Material | IRON CAST HOUSING |
| Mounting Hole Type | ROUND, UNTHREADED |
| Seal Type | CONTACT |
| Center to Center Distance Between Mounting Holes Along Width | 3.7500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.5000 INCHES NOMINAL IN |
| Rolling Element Groove Quantity | 1 |
| Load Capability Type | RADIAL AND THRUST |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Alignment Type | SELF-ALIGNING |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Rotating Element Locking Method | ECCENTRIC CAM LOCKING COLLAR |
| Housing Width | 5.0000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3130-01-138-9739 is a Bearing Unit,ball, manufactured by Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co, classified under FSC 3130 (No Item Name Available). Status: active.
NSN 3130-01-138-9739 has 2 cross-referenced part numbers: 108204 (Norton Company Dba Norton Construction Products Div Construction Products Div), TB28C (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co).
There are 2 known substitutes for 3130-01-138-9739: 5940-00-060-2429, 5950-00-674-1055. Verify interchangeability with system specifications before substitution.
Key specifications for TB28C: Shaft End Type: OPEN; Material: RUBBER SEAL; Material: STEEL BEARING SURFACE; Style Designator: PILLOW BLOCK, SOLID. 26 total characteristics are documented in the Federal Logistics Information System.