The specifications for directional transport casters/heavy-duty swivel casters (directional rubber wheels, directional steel wheels) are as follows. Dimensions are in mm, weight is in kg, and wheel size is Φ80×70.
Rubber Wheel Series
CRB6: Safe working load 3 metric tons, maximum load 6 metric tons, 4 wheels, overall dimensions 280×185×105, net weight 11.8
CRB8: Safe load capacity 4 metric tons, maximum load capacity 8 metric tons, 6 wheels, dimensions 370×185×105, net weight 16.8
CRB12: Safe load capacity 6 metric tons, maximum load capacity 12 metric tons, 8 wheels, dimensions 470×185×105, net weight 21.6
CRB15: Safe load capacity 7 metric tons, maximum load capacity 15 metric tons, 9 wheels, dimensions 370×270×105, net weight 24.1
CRB18: Safe load capacity 9 metric tons, maximum load capacity 18 metric tons, 12 wheels, dimensions 500×313×110, net weight 39
CRB24: Safe load capacity 12 metric tons, maximum load capacity 24 metric tons, 16 wheels, dimensions 470×360×105, net weight 44.5
Steel-Wheel Series
CRB6: Safe load capacity 3 metric tons, maximum load capacity 6 metric tons, 4 wheels, dimensions 280×185×105, net weight 15.5
CRB8: Safe load capacity 4 metric tons, maximum load capacity 8 metric tons, 6 wheels, dimensions 370×185×105, net weight 22.7
CRB12: Safe working load 6 metric tons, maximum load 12 metric tons, 8 wheels, dimensions 470×185×105, net weight 29.4
CRB15: Safe working load 7 metric tons, maximum load 15 metric tons, 9 wheels, dimensions 370×270×105, net weight 32.3
