- Disc Coupling
F3 F4,FX,FB FH,FV S E
F4, FX, FB (Double Disc-Flex) Type
Disc Coupling (Four Bolts)


SIZE Rated
Torque
kgf-m
Max
speed
rpm
F4 (Standard) FX (Short) FB (Custom)
D Cplg
WT
kg
GD2
kg.cm
2
D Cplg
WT
kg
GD2
kg.cm
2
B D D
Max
05 15 47,000 88.9 1.2 18 36 1.1 17.8     200
10 25 39,000 88.9 1.9 44 39 1.7 41     200
15 56 34,000 101.6 2.9 84 47 2.7 79   C 250
20 83 30,000 127 7.1 396 53 6.6 136 2 U 250
25 120 25,000 127 7.1 386 62 6.6 337 F S 350
30 180 22,000 127 10.8 800 69 10.3 775 + T 300
35 270 19,000 127 16.3 1,680 78 15.6 1,628 D O 300
40 380 16,000 139.7 24.7 3,400 89 24.0 3,317   M 350
45 450 15,000 152.4 32.5 5,600 97 31.5 5,428     350
50 610 13,000 177.8 50 11,200 109 48.4 10,865     350
55 770 11,000 177.8 75 20,400 134 9 20,127     400