| Nom-inal size | O | C | R | X | Y | B | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Appx. wt. lbs Kg |
|
| O | C | R | X | Y | B | |||||||
| in. | 1/2″ | 4.75 | 0.88 | 1.38 | 1.5 | 1.25 | 0.88 | 4 | 0.88 | 3.25 | 4 | |
| mm. | 120.7 | 22.4 | 35.1 | 38.1 | 31.8 | 22.4 | 22.4 | 19.1 | 82.6 | 2 | ||
| in. | 3/4″ | 5.12 | 1 | 1.69 | 1.75 | 1.38 | 1.09 | 4 | 0.88 | 3.5 | 5 | |
| mm. | 130 | 25.4 | 42.9 | 44.5 | 35.1 | 27.7 | 22.4 | 19.1 | 88.9 | 2 | ||
| in. | 1″ | 5.88 | 1.12 | 2 | 2.06 | 1.62 | 1.36 | 4 | 1 | 4 | 8 | |
| mm. | 149.4 | 28.4 | 50.8 | 52.3 | 41.1 | 34.5 | 25.4 | 22.2 | 101.6 | 4 | ||
| in. | 1 1/4″ | 6.25 | 1.12 | 2.5 | 2.5 | 1.62 | 1.7 | 4 | 1 | 4.38 | 9 | |
| mm. | 158.8 | 28.4 | 63.5 | 63.5 | 41.1 | 43.2 | 25.4 | 22.2 | 111.3 | 4 | ||
| in. | 1 1/2″ | 7 | 1.25 | 2.88 | 2.75 | 1.75 | 1.95 | 4 | 1.12 | 1 | 4.88 | 12 |
| mm. | 177.8 | 31.8 | 73.2 | 69.9 | 44.5 | 49.5 | 28.4 | 25.4 | 124 | 5 | ||
| in. | 2″ | 8.5 | 1.5 | 3.62 | 4.12 | 2.25 | 2.44 | 8 | 1 | 6.5 | 25 | |
| mm. | 215.9 | 38.1 | 91.9 | 104.6 | 57.2 | 62 | 25.4 | 22.2 | 165.1 | 11 | ||
| in. | 2 1/2″ | 9.62 | 1.62 | 4.12 | 4.88 | 2.5 | 2.94 | 8 | 1.12 | 1 | 7.5 | 36 |
| mm. | 244.3 | 41.1 | 104.6 | 124 | 63.5 | 74.7 | 28.4 | 25.4 | 190.5 | 16 | ||
| in. | 3″ | 10.5 | 1.88 | 5 | 5.25 | 2.88 | 8 | 1.25 | 1 1/8 | 8 | 48 | |
| mm. | 266.7 | 47.8 | 127 | 133.4 | 73.2 | 31.8 | 28.6 | 203.2 | 22 | |||
| in. | 4″ | 12.25 | 2.12 | 6.19 | 6.38 | 3.56 | 8 | 1.38 | 1 1/4 | 9.5 | 73 | |
| mm. | 311.2 | 53.8 | 157.2 | 162.1 | 90.4 | 35.1 | 31.8 | 241.3 | 33 | |||
| in. | 5″ | 14.75 | 2.88 | 7.31 | 7.75 | 4.12 | 8 | 1.62 | 1 1/2 | 11.5 | 130 | |
| mm. | 374.7 | 73.2 | 185.7 | 196.9 | 104.6 | 41.1 | 38.1 | 292.1 | 59 | |||
| in. | 6″ | 15.5 | 3.25 | 8.5 | 9 | 4.69 | 12 | 1.5 | 1 3/8 | 12.5 | 165 | |
| mm. | 393.7 | 82.6 | 215.9 | 228.6 | 119.1 | 38.1 | 34.9 | 317.5 | 75 | |||
| in. | 8″ | 19 | 3.62 | 10.62 | 11.5 | 5.62 | 12 | 1.75 | 1 5/8 | 15.5 | 260 | |
| mm. | 482.6 | 91.9 | 269.7 | 292.1 | 142.7 | 44.5 | 41.3 | 393.7 | 118 | |||
| in. | 10″ | 23 | 4.25 | 12.75 | 14.5 | 6.25 | 12 | 2 | 1 7/8 | 19 | 435 | |
| mm. | 584.2 | 108 | 323.9 | 368.3 | 158.8 | 50.8 | 47.6 | 482.6 | 197 | |||
| in. | 12″ | 26.5 | 4.88 | 15 | 17.75 | 7.12 | 16 | 2.12 | 2 | 22.5 | 580 | |
| mm. | 673.1 | 124 | 381 | 450.9 | 180.8 | 53.8 | 50.8 | 571.5 | 263 | |||
| in. | 14″ | 29.5 | 5.25 | 16.25 | 19.5 | 16 | 2.38 | 2 1/4 | 25 | |||
| mm. | 749.3 | 133.4 | 412.8 | 495.3 | 60.5 | 57.2 | 635 | |||||
| in. | 16″ | 32.5 | 5.75 | 18.5 | 21.75 | 16 | 2.62 | 2 1/2 | 27.75 | |||
| mm. | 825.5 | 146.1 | 469.9 | 552.5 | 66.5 | 63.5 | 704.9 | |||||
| in. | 18″ | 36 | 6.38 | 21 | 23.5 | 16 | 2.88 | 2 3/4 | 30.5 | |||
| mm. | 914.4 | 162.1 | 533.4 | 596.9 | 73.2 | 69.9 | 774.7 | |||||
| in. | 20″ | 38.75 | 7 | 23 | 25.25 | 16 | 3.12 | 3 | 32.75 | |||
| mm. | 984.3 | 177.8 | 584.2 | 641.4 | 79.2 | 76.2 | 831.9 | |||||
| in. | 24″ | 46 | 8 | 27.25 | 30 | 16 | 3.62 | 3 1/2 | 39 | |||
| mm. | 1168.4 | 203.2 | 692.2 | 762 | 91.9 | 88.9 | 990.6 |
