Sizes available as the table below:

SIZES SIZES – D1 SIZES – D2 Bush No. No of
(Inches) (mm) (mm) Holes
3″ 76 34 130 3
4″ 100 40 132 4
4 1/2″ 114 50 132 4
5 1/8″ 129 57 124 4
5 1/2″ 140 63 124 4
6 5/16″ 160 81 124 6
6 5/16″ 160 81 124 8
7″ 180 92 124 6
7″ 180 92 124 8
8″ 204 104 118 6
8″ 204 104 118 8
9 1/4″ 234 123 120 8
10″ 254 138 120 8
11″ 280 160 120 8
11″ 280 160 120 10
12″ 315 180 122 8
12″ 315 180 122 10
14″ 355 180 144 10
15″ 381 204 144 10
16 1/2″ 420 246 144 10
18 1/8″ 459 275 144 10
18 1/8″ 459 275 144 12
21″ 533 300 144 12