Usually,the thickness for sidewall is thinner than body.
Length and width usually are a range,different sizes assure the blocks to be stably installed on the ball mill.
And the sum of width for all rows is equal to the the perimeter of the ball mill,the sum of length for all columns is equal to the length of the ball mill.
1).Length:200-350mm;Width:150-220mm;Thickness:130-140mm;140-150mm;160-180mm;180-200mm for drum/body of ball mill
2).Length:200-350mm;Width:150-220mm;Thickness:120-130mm; 130-140mm;140-150mm;160-180mm;180-200mmfor sidewall of ball mill
Remark:other sizes can be produced according to your requests.