The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8981, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-8981 |
| Primary Part Number | RLS32 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Shape | STRAIGHT |
| Internal Fit-Up Designation | STANDARD |
| Lubrication Material | LUBRICANT |
| Load Direction | RADIAL |
| Overall Outside Diameter | 7.2500 INCHES NOMINAL IN |
| Bore Diameter | 4.0000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RLS32 PRIMARY | Skf Usa Inc. (USA) |
| 64BIC02 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| LS21 PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| LS21 | Equitable Bearing Co Inc (USA) |
| H32 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| LS21 PRIMARY | Fag Bearings Corporation (USA) |
NSN 3110-00-155-8981 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-155-8981 has 6 cross-referenced part numbers: RLS32 (Skf Usa Inc.), 64BIC02 (Timken Aerospace, Inc Dba Torrington Product), LS21 (Schatz Bearing Corporation Dba Schatz Bearing Corp), LS21 (Equitable Bearing Co Inc), H32 (Timken Aerospace, Inc Dba Torrington Product) and 1 more.
There are 9 known substitutes for 3110-00-155-8981: 5315-00-011-3782, 5950-00-648-2497, 4320-00-707-5205 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for RLS32: Surface Finish: GROUND; Standard Tolerance Designation: ABEC NO.1; Bore Shape: STRAIGHT; Internal Fit-Up Designation: STANDARD. 9 total characteristics are documented in the Federal Logistics Information System.