The Bearing,ball,annular, cataloged under National Stock Number 3110-01-440-3990, 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 20 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-440-3990 |
| Primary Part Number | 5310-2RS1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Lubrication Material | GREASE |
| Internal Fit-Up Contact Angular Direction | OUTWARD CONVERGENT |
| Standard Tolerance Designation | ABEC NO.1 |
| Surface Finish | GROUND |
| Bore Shape | STRAIGHT |
| Seal Quantity | 2 |
| Contact Angle | 40.0 DEGREES NOMINAL |
| Load Direction | RADIAL |
| Bearing Seal Type | CONTACT |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Overall Outside Diameter | 110.0 MILLIMETERS NOMINAL MM |
| Material | STEEL RETAINER |
| Material | STEEL INNER RING |
| Material | STEEL OUTER RING |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL BALL |
| Material | RUBBER SYNTHETIC SEAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5310-2RS1 PRIMARY | Skf Usa Inc. (USA) |
| 5310WPP | Timken Co Div the Timken Company (USA) |
| J5310WPP2 PRIMARY | Timken Co Div the Timken Company (USA) |
| 7080-1 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 7080-1 | Eaton Aviation Corporation (USA) |
| 5310 A-2RS1 (UE12) PRIMARY | Skf Usa Inc. (USA) |
| 5310 E-2RS | Skf Usa Inc. (USA) |
NSN 3110-01-440-3990 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-440-3990 has 7 cross-referenced part numbers: 5310-2RS1 (Skf Usa Inc.), 5310WPP (Timken Co Div the Timken Company), J5310WPP2 (Timken Co Div the Timken Company), 7080-1 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 7080-1 (Eaton Aviation Corporation) and 2 more.
There are 9 known substitutes for 3110-01-440-3990: 1560-00-478-6874, 6680-00-613-2608, 4730-00-838-1744 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-2RS1: Overall Width: 1.7500 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Diameter: 50.0 MILLIMETERS NOMINAL MM; Lubrication Material: GREASE. 22 total characteristics are documented in the Federal Logistics Information System.