Service environment issues: The Thermo casters is designed for production in high temperature places, and the actual situation may be different. In special temperature environments such as freezing and high temperature, as well as special environmental occasions such as acid, alkali, salt and chemical agents, please choose suitable casters, hardware and lubricants. In addition, the materials of some castors may cause pollution to the ground. Be careful when there are requirements in the workshop and other opposite environments. Wheel Diameter Tread Width Capacity Per Caster Wheel Bearing Model number Load Height Swivel Radius (mm) (mm) (kg) Swivel Rigid (mm) (mm) 75 32 136 Thermo Semi-steel Plain 2-3T01S-551A 2-3T01R-551A 105 75 Double ball 2-3T01S-551G 2-3T01R-551G 90 32 136 Thermo Semi-steel Plain 2-35T01S-551A 2-35T01R-551A 119 78 Double ball 2-35T01S-551G 2-35T01R-551G 100 32 136 Thermo Semi-steel Plain 2-4T01S-551A 2-4T01R-551A 130 84 Double ball 2-4T01S-551G 2-4T01R-551G 125 32 136 Thermo Semi-steel Plain 2-5T01S-551A 2-5T01R-551A 157 103 Double ball 2-5T01S-551G 2-5T01R-551G 150 32 146 Thermo Semi-steel Plain 2-6T01S-551A 2-6T01R-551A 185 118 Double ball 2-6T01S-551G 2-6T01R-551G 100 51 400 Thermo Delrin 4-4T01S-551C 4-4T01R-551C 143 90 Roller 4-4T01S-551E 4-4T01R-551E Double ball 4-4T01S-551G 4-4T01R-551G 125 51 450 Thermo Delrin 4-5T01S-551C 4-5T01R-551C 165 108 Roller 4-5T01S-551E 4-5T01R-551E Double ball 4-5T01S-551G 4-5T01R-551G 150 51 500 Thermo Delrin 4-6T01S-551C 4-6T01R-551C 191 127 Roller 4-6T01S-551E 4-6T01R-551E Double ball 4-6T01S-551G 4-6T01R-551G 200 51 540 Thermo Delrin 4-8T01S-551C 4-8T01R-551C 241 165 Roller 4-8T01S-551E 4-8T01R-551E Double ball 4-8T01S-551G 4-8T01R-551G Remarks: Except for above forks, the thermo caster can also be matched with forks and brakes of any corresponding specifications. for caster with brake. please add brake code after the fork code. For Example. Model Number for 4 Series 6"Swivel Top Plate Thermo Caster with Metal Total Brake is 4-6T01SB4-551G, B1:Metal Side Brake. B3:Nylon Total Brake, B4:Metal Total Brake.