The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5284, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-5284 |
| Primary Part Number | 128R |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Internal Fit-Up Designation | STANDARD |
| Standard Tolerance Designation | ABEC NO.1 |
| Surface Finish | GROUND |
| Material | STEEL BALL |
| Material | STEEL INNER RING |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL INNER RING |
| Standard Tolerance Designation | ABEC NO.1 |
| Material | STEEL OUTER RING |
| Bore Diameter | 140.00 MILLIMETERS NOMINAL MM |
| Overall Outside Diameter | 220.00 MILLIMETERS NOMINAL MM |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5564 | Bae Systems Land & Armaments L.p. (USA) |
| 140BH01 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 70934 | Bae Systems Land & Armaments L.p. (USA) |
| 128R | Equitable Bearing Co Inc (USA) |
| 170934 | Bae Systems Land & Armaments L.p. (USA) |
| 140BH01 | Timken Co Div the Timken Company (USA) |
| 128R PRIMARY | Skf Usa Inc. (USA) |
NSN 3110-00-156-5284 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-5284 has 7 cross-referenced part numbers: 5564 (Bae Systems Land & Armaments L.p.), 140BH01 (Timken Aerospace, Inc Dba Torrington Product), 70934 (Bae Systems Land & Armaments L.p.), 128R (Equitable Bearing Co Inc), 170934 (Bae Systems Land & Armaments L.p.) and 2 more.
There are 11 known substitutes for 3110-00-156-5284: 3110-00-100-3093, 5950-00-147-0496, 5905-00-165-3242 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 128R: Load Direction: RADIAL; Bore Shape: STRAIGHT; Load Direction: RADIAL; Internal Fit-Up Designation: STANDARD. 20 total characteristics are documented in the Federal Logistics Information System.