The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5298, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-5298 |
| Primary Part Number | 138R |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Standard Tolerance Designation | ABEC NO.1 |
| Material | STEEL INNER RING |
| Material | STEEL INNER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL BALL |
| Internal Fit-Up Designation | STANDARD |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Internal Fit-Up Designation | STANDARD |
| Bore Diameter | 190.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Material | STEEL OUTER RING |
| Overall Outside Diameter | 300.0 MILLIMETERS NOMINAL MM |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.1 |
| Retainer Fabrication Method | MACHINED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 190BH01 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 190-BH51 | Timken Co Div the Timken Company (USA) |
| 138R | Equitable Bearing Co Inc (USA) |
| 138RN09FIT | Skf Usa Inc. (USA) |
| 190-BH51 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| M138 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 138R PRIMARY | Skf Usa Inc. (USA) |
NSN 3110-00-156-5298 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-5298 has 7 cross-referenced part numbers: 190BH01 (Timken Aerospace, Inc Dba Torrington Product), 190-BH51 (Timken Co Div the Timken Company), 138R (Equitable Bearing Co Inc), 138RN09FIT (Skf Usa Inc.), 190-BH51 (Timken Aerospace, Inc Dba Torrington Product) and 2 more.
There are 4 known substitutes for 3110-00-156-5298: 3110-00-198-2452, 6530-00-926-2151, 5965-00-937-1851 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 138R: Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Standard Tolerance Designation: ABEC NO.1; Material: STEEL INNER RING. 20 total characteristics are documented in the Federal Logistics Information System.