
Helical-worm gear units GFC Product Catalog 2012 / 69 3 Dimension sheets Size SSK 125 – 160 Size IEC-Motor Flange a Size Shaft end DKM u3 v3 k3 f4 A1 b1H7 e1 s1 c1 f1 125 90 Ø24x50 Ø24 8 27.3 - - 200 - - - - - 100 Ø28x60 Ø28 8 31.3 367 11 250 180 215 M12 16 7 112 Ø28x60 Ø28 8 31.3 367 11 250 180 215 M12 16 7 132 Ø38x80 Ø38 10 41.3 392 25 300 230 265 M12 16 7 160 Ø42x110 Ø42 12 45.3 419 43 350 250 300 M16 20 7 160 100 Ø28x60 Ø28 8 31.3 412 11 250 180 215 M12 16 7 112 Ø28x60 Ø28 8 31.3 412 11 250 180 215 M12 16 7 132 Ø38x80 Ø38 10 41.3 437 25 300 230 265 M12 16 7 160 Ø42x110 Ø42 12 45.3 464 43 350 250 300 M16 20 7 180 Ø48x110 Ø48 14 51.8 464 43 350 250 300 M16 20 7 Size Output Hollow shaft Solid shaft a HWH7/d2 u1Js9 /v1 I I0 y y1 d3 I3 l2 L2 I4 l5 u2/v2 DM I7 125 60/- 70/80 18/64.4 20/74.9 250 220 6 3 30° 60 m6 120 245 245 100 10 18/64.4 DM20 280 160 70/- 80/- 20/74.9 22/85.4 270 245 4 - - 70 m6 140 275 284 125 7.5 20/74.5 DM20 325 Size Output Gear Flange a A b e h12 c m f s b2js6 a2 e2 ≈ f2 h1 h2 ≈ h3 ≈ h4 h6 h7 ≈ h8 ≈ h9 125 350 250 h6 300 160 20 36.5 5 18 230 290 265 4 225 379 30 30 82 180 19 91 160 450 350 h6 400 180 18 37 5 17.5 300 365 330 5 280 467.5 44 35 90 235 34 60 Size Gear a ≈ h10 ≈ h11 k1 k2 I8 ≈ I9 ≈ m1 ≈ m2 m3 m4 n2 n3 s2 t2 s3 t3 s4 125 124 57 195 150 207 137 70 70 92 180 160 207 M12 20 M20 28 22 160 111 70 245 195 250 150 70 70 115 235 190 246 M16 23 M20 28 22 Size Output Hollow shaft-HWS Cap-HWS a d5 ≈ l12 d7 d8 l13 l14 m6 m7 m8 m9 ≈ d6 ≈ n4 125 145 175 65 66 125 290 62 40 65 45 165 175 160 170 188 75 80 135 319 40 45 40 55 216 201 Dimensions in mm / featherkey ways according to DIN 6885 / * strength class for screws 10.9