The Bearing,ball,annular, cataloged under National Stock Number 3110-01-034-5339, 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 18 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-034-5339 |
| Primary Part Number | 6311-2RS |
| 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-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 55.00 MILLIMETERS NOMINAL MM |
| Retainer Fabrication Method | PRESSED |
| Load Direction | RADIAL |
| Surface Finish | GROUND |
| Bearing Seal Type | CONTACT |
| Bore Shape | STRAIGHT |
| Internal Fit-Up Designation | STANDARD |
| Lubrication Material | GREASE |
| Seal Quantity | 2 |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL OUTER RING |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL INNER RING |
| Material | STEEL RETAINER |
| Nondefinitive Spec/std Data | 111 TYPE AND 8 CLASS AND 00 GRADE |
| Overall Outside Diameter | 120.00 MILLIMETERS NOMINAL MM |
| Material | STEEL BALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3110-01-034-5339 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-034-5339 has 2 cross-referenced part numbers: FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC), 6311-2RS (Skf Usa Inc.).
There is 1 known substitute for 3110-01-034-5339: 3110-00-278-7348. Verify interchangeability with system specifications before substitution.
Key specifications for 6311-2RS: Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Diameter: 55.00 MILLIMETERS NOMINAL MM; Retainer Fabrication Method: PRESSED; Load Direction: RADIAL. 19 total characteristics are documented in the Federal Logistics Information System.