FRD Ordering Code GRFRD GRFRD 48/60 GRFRD: brake side hub Size Hub GR FRD Brake Disc Series ® TRASCO Jaw Couplings Keyway according to DIN 6885 sheet 1 - JS9 Size min-1 with W J FRD FRD Db x Bb V 2 max 28/38 38/45 42/55 48/60 55/70 65/75 75/90 90/100 100/110 110/125 125/145 (kg) kg m ) (mm) 40 m/s GR FRD - brake disc 200 x 12,5 X X - - - - - - - - - 2,93 0,0154 3820 250 x 12,5 X X X X - - - - - - - 4,66 0,0376 3060 315 x 16 - - X X X X X - - - - 8,62 0,1118 2430 400 x 16 - - - X X X X X X X - 15,23 0,3152 1910 500 x 16 - - - - X X X X X X X 23,96 0,7680 1530 630 x 20 - - - - - X X X X X X 47,72 2,4264 1210 710 x 20 - - - - - X X X X X X 60,93 3,9151 1080 800 x 25 - - - - - - - X X X X 94,91 7,8790 950 900 x 25 - - - - - - - - - X X 118,95 12,6091 850 DNr Da H V S N S Ba Cd H Fb G P M L Fa A E B j6 The GR FRD series has been developed to suit disc-brake (FRD) transmissions. It is considered an elastic coupling consisting of: » Standard hub (any of Trasco family). » Elastic spider. » Special hub attached to the brake disc. Components are either made of cast-iron (GG25), spheroidal cast-iron (GS400), or steel according to application. Also, assembling of different dimensioned brake discs to any kind of coupling is allowed. See below tables. 28/38 10 28 20 22 24 65 48 38 35 90 30 8 6,5 20 2,5 15 52 28.5 M6 38/45 12 38 28 32 34 80 66 50 45 114 38 8 7,5 24 3 18 66 37.5 M8 42/55 14 42 30 38 42 95 75 60 50 126 46 12 9,5 26 3 20 80 40.5 M8 48/60 15 48 35 45 48 105 85 68 56 140 51 12 10,5 28 3,5 21 90 45.5 M8 55/70 20 55 42 50 55 120 98 78 65 160 60 8 12,5 30 4 22 102 52.5 M10 65/75 22 65 48 55 65 135 115 92 75 185 68 12 13,5 35 4,5 26 116 61.5 M10 75/90 30 75 58 70 75 160 135 106 85 210 80 15 15,5 40 5 30 136 69.5 M12 90/100 40 90 75 90 100 200 160 140 100 245 100 15 18,5 45 5,5 34 172 81.5 M16 100/110 45 115 - 100 - 225 180 156 110 270 113 15 20,5 50 6 38 195 89.5 M16 110/125 55 125 - 110 - 255 200 176 120 295 127 15 23,5 55 6,5 42 218 96.5 M20 125/145 55 145 - 130 - 290 230 204 140 340 147 15 27,5 60 7 46 252 112.5 M20 Fb (GG25) Fb (GG400) Fb (Steel) Fa Fa; Fb max (mm) Size Fa; Fb min (mm) E A B H L G Nr V M S N D Cd P P 19 www.jbj.co.uk/couplings.html #DriveLineHarmony W : “GRFRD” disc weight (kg). FRD 2 J : “GRFRD” moment of inertia (kgm ). FRD Nr: Number of screws.
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