D,mm | d,mm | Length,mm | Sprocket | Bearing | Tube Material | Shaft Material | Surface Tre |
38 | 12 | 80-1000 | 06B6T11T | Mechanical bearings | Carbon steel | Carbon steel | Galvanization |
50 | 12/15 | 80-1000 | 08B11T/14T | Carbon Steel | Carbon Steel | Zincorplated | |
57 | 12/15 | 100-1500 | 08B11T/14T | Stainless steel | Stainless steel | Chrome | |
60 | 12/15 | 100-1500 | 08B11T/14T | Stainless | Stainless | Chromeorplated | |
76 | 12/15/20 | 100-1500 | 10A10T/14T | Nickel | |||
89 | 20 | 100-1500 | 10A10T/14T | Nickelorplated |