Nom-inal size | O | C | R | X | Y | B | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Approx. weight lbs. Kg | |
in. | 3/4″ | |||||||||||
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in. | 1″ | |||||||||||
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in. | 1 1/4″ | |||||||||||
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in. | 1 1/2″ | |||||||||||
mm. | ||||||||||||
in. | 2″ | |||||||||||
mm. | ||||||||||||
in. | 2 1/2″ | |||||||||||
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in. | 3″ | |||||||||||
mm. | ||||||||||||
in. | 3 1/2″ | |||||||||||
mm. | ||||||||||||
in. | 4″ | 10 | 1.38 | 6.19 | 5.75 | 2 | 4.57 | 8 | 1 | 7.88 | 26 | |
mm. | 254 | 35.1 | 157.2 | 146.1 | 50.8 | 116.1 | 25.4 | 22.2 | 200.2 | 12 | ||
in. | 5″ | 11 | 1.5 | 7.31 | 7 | 2.12 | 5.66 | 8 | 1 | 9.25 | 31 | |
mm. | 279.4 | 38.1 | 185.7 | 177.8 | 53.8 | 143.8 | 25.4 | 22.2 | 235 | 14 | ||
in. | 6″ | 12.5 | 1.62 | 8.5 | 8.12 | 2.25 | 6.72 | 12 | 1 | 10.62 | 44 | |
mm. | 317.5 | 41.1 | 215.9 | 206.2 | 57.2 | 170.7 | 25.4 | 22.2 | 269.7 | 20 | ||
in. | 8″ | 15 | 1.88 | 10.62 | 10.25 | 2.69 | 8.72 | 12 | 1.12 | 1 | 13 | 67 |
mm. | 381 | 47.8 | 269.7 | 260.4 | 68.3 | 221.5 | 28.4 | 25.4 | 330.2 | 30 | ||
in. | 10″ | 17.5 | 2.12 | 12.75 | 12.62 | 2.88 | 10.88 | 16 | 1.25 | 1 1/8 | 15.25 | 91 |
mm. | 444.5 | 53.8 | 323.9 | 320.5 | 73.2 | 276.4 | 31.8 | 28.6 | 387.4 | 41 | ||
in. | 12″ | 20.5 | 2.25 | 15 | 14.75 | 3.12 | 12.88 | 16 | 1.38 | 1 1/4 | 17.75 | 130 |
mm. | 520.7 | 57.2 | 381 | 374.7 | 79.2 | 327.2 | 35.1 | 31.8 | 450.9 | 59 | ||
in. | 14″ | 23 | 2.38 | 16.25 | 16.75 | 3.31 | 14.14 | 20 | 1.38 | 1 1/4 | 20.25 | 180 |
mm. | 584.2 | 60.5 | 412.8 | 425.5 | 84.1 | 359.2 | 35.1 | 31.8 | 514.4 | 82 | ||
in. | 16″ | 25.5 | 2.5 | 18.5 | 19 | 3.69 | 16.16 | 20 | 1.5 | 1 3/8 | 22.5 | 235 |
mm. | 647.7 | 63.5 | 469.9 | 482.6 | 93.7 | 410.5 | 38.1 | 34.9 | 571.5 | 107 | ||
in. | 18″ | 28 | 2.62 | 21 | 21 | 3.88 | 18.18 | 24 | 1.5 | 1 3/8 | 24.75 | 285 |
mm. | 711.2 | 66.5 | 533.4 | 533.4 | 98.6 | 461.8 | 38.1 | 34.9 | 628.7 | 129 | ||
in. | 20″ | 30.5 | 2.75 | 23 | 23.12 | 4 | 20.2 | 24 | 1.62 | 1 1/2 | 27 | 345 |
mm. | 774.7 | 69.9 | 584.2 | 587.2 | 101.6 | 513.1 | 41.1 | 38.1 | 685.8 | 156 | ||
in. | 24″ | 36 | 3 | 27.25 | 27.62 | 4.5 | 24.25 | 24 | 1.88 | 1 3/4 | 32 | 510 |
mm. | 914.4 | 76.2 | 692.2 | 701.5 | 114.3 | 616 | 47.8 | 44.5 | 812.8 | 231 |