Simplex Taperlock sprockets 20B-1 DIN 8187

  • ISO-No.: 20 B-1 (1 1/4“ x 3/4“)
  • pitch: 31,75 mm
  • inner width: 19,56 mm
  • roller-dia.: 19,05 mm
  • tooth width: 18,5 mm
  • ba 3,5 mm (radius width)
  • rx 32 mm (min. tooth radius)
No. of teeth pitch circle tip circle hub-dia. total length for
z d do ND L bush
13 132,65 147,8 90 32 2012
15 152,72 167,9 108 45 2517
17 172,78 187,9 108 45 2517
19 192,91 208,1 108 45 2517
21 213,04 228,2 108 45 2517
23 233,17 248,3 108 45 2517
25 253,33 268,5 108 45 3020
27 273,40 288,6 150 51 3020
30 303,75 318,9 150 51 3020
Material: cast iron (GG-22)
38 384,49 399,6 160 51 3020
45 455,17 470,3 160 51 3020
57 576,36 591,5 160 51 3020
76 768,32 783,5 160 51 3020


The suitable Taper-bushes you will find here.