hub diameter:

1-1/2 in
1-1/4 in
1-3/4 in
1.81 in
100 mm
120 mm
2 in
2-1/2 in
2-1/4 in
2-3/4 in
3 in
3-1/2 in
3-1/4 in
3-3/4 in
3-7/8 in
3.0000 in
3.2500 in
4 in
4-1/2 in
4-1/4 in
4-1/8 in
4-3/4 in
4-5/8 in
4.2500 in
5 in
5-1/4 in
5-3/8 in
6 in