Description
Inner diameter B(mm): 55;
Outer diameter D (mm): 90(plus or minus 0.1);
Width L(mm): 22(plus or minus 0.1);
Dimension R(mm): 9;
Dimension W(mm): 3;
Dimension X(mm): 34;
Dimension Y(mm): 18;
Dimension d(mm): 11;
Material: S45C;
Accessories: Two hexagon socket bolts (blackened);
