- Disc Coupling
F3 F4,FX,FB FH,FV S E
FH, FV (Floating Disc-Flex) Type
Disc Coupling (Four Bolts)
SIZE Rated
Torque
kgf-m
Max
speed
rpm
Dimension (mm) WT (kg) GD2 (kg.cm2)
Max
bore
da
A B F G H J D Min Added
 WT
D Min Added
GD2
10 9.2 39,000 32 81 57.1 25 7.1 46 16 1.9 0.029 50 0.44
15 18 34,000 35 93 66.4 29 8.4 51 24 3.0 0.032 98 0.59
20 25 30,000 42 104 79 34 11 61 30 4.3 0.039 168 1.10
25 13 25,000 50 126 93.2 41 11.2 71 27 7.5 0.075 442 2.82
30 79 22,000 58 143 108.5 48 12.5 84 28 11.7 0.110 922 6.03
35 130 19,000 74 168 130 57 16 106 26 18.7 0.139 2,032 12.33
40 210 16,000 83 194 145 64 17 118 30 28.3 0.161 3,839 19.21
45 340 15,000 95 214 174.8 76 22.8 137 34 38.3 0.189 6,857 29.65
50 500 13,000 109 246 202 89 24 156 26 58.2 0.250 13,639 52.73
55 650 11,000 118 276 230 102 26 169 42 81.9 0.310 25,552 76.53