Nominal Size | Outer Diameter (OD) | Slip-On Bore (ID) | No of Bolt Holes | Diameter of Holes |
Bolt Circle (BC) | Thckness (T) | Weight Each (Kg) | ||
Slip On | Blind | Slip On | Blind | ||||||
100 NB | 228.6 | 116.08 | 8.00 | 19.05 | 190.5 | 15.87 | 15.87 | 3.49 | 4.81 |
125 NB | 254 | 143.76 | 8.00 | 22.22 | 215.9 | 15.87 | 16.51 | 3.9 | 6.17 |
150 NB | 279.4 | 170.69 | 8.00 | 22.22 | 241.3 | 17.48 | 17.6 | 4.84 | 8.03 |
200 NB | 342.9 | 221.49 | 8.00 | 22.22 | 298.45 | 17.48 | 20.62 | 6.94 | 14.42 |
250 NB | 406.4 | 276.35 | 12.00 | 25.4 | 361.95 | 17.48 | 24.21 | 8.71 | 23.45 |
300 NB | 482.6 | 327.15 | 12.00 | 25.4 | 431.8 | 20.62 | 24.21 | 15.01 | 39.33 |
350 NB | 533.4 | 360.43 | 12.00 | 28.57 | 476.25 | 23.83 | 28.78 | 21.27 | 48.72 |
400 NB | 596.9 | 411.23 | 16.00 | 28.57 | 539.75 | 25.4 | 32.13 | 27.26 | 67.95 |
450 NB | 635 | 462.03 | 16.00 | 31.75 | 577.85 | 26.97 | 33.81 | 28.85 | 80.6 |
500 NB | 698.5 | 512.83 | 20 | 31.75 | 635 | 28.58 | 36.78 | 36.06 | 105.96 |
550 NB | 749.3 | 563.63 | 20 | 34.93 | 692.15 | 30.18 | 39.83 | 40.78 | 131.77 |
600 NB | 812.8 | 614.43 | 20 | 34.93 | 749.3 | 31.75 | 42.19 | 50.62 | 165.33 |
650 NB | 869.95 | 665.23 | 24 | 34.93 | 806.45 | 33.32 | 45.36 | — | 203.3 |
700 NB | 927.1 | 716.03 | 28 | 34.93 | 863.6 | 33.32 | 48.41 | — | 246.12 |
750 NB | 984.25 | 766.83 | 28 | 34.93 | 914.4 | 34.93 | 51 | — | 293.61 |
800 NB | 1060.45 | 817.63 | 28 | 41.28 | 977.9 | 38.1 | 54.61 | — | 362.24 |
850 NB | 1111.25 | 868.43 | 32 | 41.28 | 1028.7 | 38.1 | 57.2 | — | 415.9 |
900 NB | 1168.4 | 919.23 | 32 | 41.28 | 1085.85 | 41.28 | 60.2 | — | 485.8 |
950 NB | 1238.25 | 970.03 | 32 | 41.28 | 1149.35 | 41.28 | 63.5 | — | 579.69 |
1000 NB | 1289.05 | 1020.83 | 36 | 41.28 | 1200.15 | 41.28 | 66.27 | — | 653.17 |
1050 NB | 1346.2 | 1071.63 | 36 | 41.28 | 1257.3 | 44.45 | 69.32 | — | 747.52 |
1100 NB | 1403.35 | 1122.43 | 40 | 41.28 | 1314.45 | 44.45 | 72.36 | — | 847.31 |
1150 NB | 1454.15 | 1173.23 | 40 | 41.28 | 1365.25 | 44.45 | 74.98 | — | 944.83 |
1200 NB | 1511.3 | 1224.03 | 44 | 41.28 | 1422.2 | 47.63 | 78.03 | — | 1061.41 |
1250 NB | 1568.45 | 1274.83 | 44 | 47.63 | 1479.55 | 50.8 | 81.18 | — | 1179.79 |
1300 NB | 1625.6 | 1325.63 | 44 | 47.63 | 1536.7 | 50.8 | 84.2 | — | 1318.59 |
1350 NB | 1682.75 | 1376.43 | 44 | 47.63 | 1593.85 | 53.97 | 87.25 | — | 1467.82 |
1500 NB | 1854.2 | 1528.83 | 52 | 47.63 | 1758.95 | 57.15 | 95.99 | — | 1962.69 |
1650 NB | 2032 | 1681.23 | 52 | 47.63 | 1930.4 | 63.5 | 105.05 | — | 2595.46 |
1800 NB | 2197.1 | 1833.63 | 60 | 47.63 | 2095.5 | 66.68 | 113.79 | — | 3288.09 |