Detailed description
Track rollers--for Vee bars or Plain rollers
FR10, FR10Z, FR20, FR20Z, FR22, FR22Z, FR25, FR25Z, FR35, FR35Z
FR... , FR... R and LR.. , LR.. R series guide roller installation adjustment and preloaded through its inner circle is an eccentric. FR... Z and LR.. The Z series roller is one of the design structure, eccentric structure design of the wheel, which side has two circle blind holes used for adjustment, if roller clearance to zero positioning, the rack and gear mesh clearance of 0.05 mm. Too much preload may shorten the life of the whole system. And preloaded shortage, the system work, the wheel will not run, or because of the accident caused by poor mesh system wear.









