Triplex-sprockets ASA40-3 (08A-3) acc. to DIN 8188

Dreifach-Kettenräder 08B-3 DIN 8187
  • ISO-No.: ASA40-3 = 08A-3 (1/2“ x 5/16“)
  • pitch: 12,7 mm
  • inner width: 7,94 mm
  • Roller-dia.: 7,94 mm
  • tooth width bf3: 36 mm
  • ba 1,6 mm (radius width)
  • rx 13,5 mm (min. tooth radius)

No. of teeth pitch circle tip circle hub pilot bore bore total weight
Ø Ø Ø Ø max. length approx
Material steel/C45 do dk dn d1 d2 L kg
12 49,10 53,0 35 14 22 50 0,39
13 53,10 57,0 38 14 24 50 0,49
14 57,10 62,0 42 14 27 50 0,60
15 61,10 66,0 46 14 28 50 0,72
16 65,10 70,0 50 16 31 50 0,85
17 69,10 74,0 54 16 33 50 0,99
18 73,10 78,0 58 16 36 50 1,14
19 77,20 82,0 62 16 38 50 1,30
20 81,20 86,0 66 16 41 50 1,47
21 85,20 90,0 70 20 44 55 1,79
22 89,20 94,0 70 20 44 55 1,93
23 93,30 98,0 70 20 44 55 2,08
24 98,30 102,0 75 20 46 55 2,32
25 101,30 106,0 80 20 50 55 2,57
26 105,40 110,0 85 20 53 55 2,79
27 109,40 114,0 85 20 53 55 2,96
28 113,40 118,0 90 20 56 55 3,25