Wheel diameter Tread width Castor load wheel bearing Model number Load height Swivel radius (mm) (mm) (kg) Rigid Swivel (mm) (mm) 150 64 1250 Forged Steel Double ball 7-6TO1R-851E 7-6T50S-851E 191 121 800 Phenolic Roller 7-6T01R-581E 7-6T50S-581E 76 900 7-6TO1R-582E 7-6T50S-582E Polyurethane Aluminum core Roller 7-6TO1R-472E 7-6T50S-472E Polyurethane lron Core Double ball 7-6TO1R-431G 7-6T50S-431G 1250 Polyurethane lron Core(Thickened type) 7-6T01R-436G 7-6T50S-436G 1350 Casting Nylon 7-6TO1R-261G 7-6T50S-261G 200 64 1000 Phenolic Roller 7-8T01R-581E 7-8T50S-581E 257 157 76 1125 7-8TO1R-582E 7-8T50S-582E 1550 Forged Steel Double ball 7-8T01R-851E 7-8T50S-851E 1125 Polyurethane Aluminum core Roller 7-8TO1R-472E 7-8T50S-472E Polyurethane lron Core Double ball 7-8T01R-431G 7-8T50S-431G 1550 Polyurethane lron Core(Thickened type) 7-8T01R-436G 7-8T50S-436G 1750 Casting Nylon 7-8TO1R-261G 7-8T50S-261G 250 64 1035 Phenolic Roller 7-10TO1R-581E 7-10T508-581E 292 187 76 1350 7-10TO1R-582E 7-10T50S-582E 1850 Forged Steel Double ball 7-10T01R-851E 7-10T50S-851E 1350 Polyurethane Aluminum core Roller 7-10TO1R-472E 7-10T50S-472E Polyurethane lron Core Double ball 7-10T01R-431G 7-10T50S-431G 1850 Polyurethane lron Core(Thickened type) 7-10T01R-436G 7-10T50S-436G 2100 Casting Nylon 7-10TO1R-261G 7-10T50S-261G 300 76 1575 Phenolic Roller 7-12T01R-582E 7-12T50S-582E 343 225 2150 Forged Steel Double ball 7-12T01R-851E 7-12T50S-851E 1575 Polyurethane Aluminum core Roller 7-12TO1R-472E 7-12T50S-472E Polyurethane lron Core Double ball 7-12T01R-431G 7-12T50S-431G 2250 Polyurethane lron Core(Thickened type) 7-12T01R-436G 7-12T50S-436G 2450 Casting Nylon 7-12T01R-261G 7-12T50S-261G Remarks:For Caster with Brake, Please Add Brake Code after The Fork Code. For Example, Model Number for 7 Serios 6 inch Swivel Top Plate Polyurethane lron Core Caster with Metal Troad Brake is 7-6T50SB5-431G. B5:Metal Tread Brake. B6:Direction Lock It is mainly used for trolleys, flat cars, tool cars, mobile working platforms, large products, equipment mobile devices, etc. it is widely used in workshop production lines and assembly lines of industrial enterprises. 7 Series ultra heavy impact resistant casters Main export destinations: the United States, Australia, South America, Southeast Asia and other parts of the world. The product is of first-class quality, moderate price and outstanding cost performance. Carsun Caster Factory has successfully completed the certification of ISO9001:2015 quality management system, and the quality has been strictly controlled from raw materials to packaging and delivery. We can customize according to customer needs and provide brand cooperation services.