NSK’s Super-TF (STF) spherical roller bearings for main shafts are engineered to deliver superior and sustainable performance through advanced material technology and applied manufacturing process controls. STF bearings are designed to last and provide high capacity performance for a significantly longer and more reliable operating life under very challenging operating conditions.
| Show Description | |
| Description | |
| STF | Special Material - Super-Tough (TF) |
| 240 | Dimension series |
| 800 | Bore Ref Number |
| CA | High capacity internal design |
| g5 | Material symbol - IR / OR |
| S4WC | Surface treatment DLC coated rollers |
| M | 2-piece machined brass cage |
| E4 | Lubrication groove |
| CGXXX | Internal clearance |
| U22B | Surface finish specifications |
| U303 | Process control specification |
