Double-Sprockets ZRS with One-Sided Hub, Pitch 1 1/4" x 3/4, ISO 20 B-2

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Material: Steel C45, not hardened. Pre-bored.

Sprockets marked with * from grey cast iron GG25.

Sprockets marked with 1) made from St52 with welded in hub.

General dimensions: B1 = 18.2 mm, B2 = 54.6 mm, c = 3.5 mm, r3 = 32 mm. Other dimensions: See the table.

SKU No. of Teeth da [mm] d [mm] ND [mm] B [mm] L [mm] Weight [kg]
12910800 8 96,50 82,97 53 20 75 1,82
12910900 9 106,70 92,83 63 20 75 2,46
12911000 10 116,90 102,75 70 20 75 3,14
12911100 11 127,10 112,70 80 20 80 4,13
12911200 12 137,20 122,67 90 20 80 5,09
12911300 13 147,40 132,67 100 20 80 6,16
12911400 14 157,50 142,68 110 20 80 7,32
12911500 15 167,70 152,71 120 20 80 8,57
12911600 16 177,80 162,75 120 25 80 9,43
12911700 17 188,00 172,79 120 25 80 10,46
12911800 18 198,10 182,84 120 25 80 11,58
12911900 19 208,20 192,90 120 25 80 12,75
12912000 20 218,40 202,96 120 25 80 13,99
12912100 21 228,50 213,03 140 25 80 16,10
12912200 22 238,60 223,10 140 25 80 17,48
12912300 23 248,70 233,17 140 25 80 18,92
12912400 24 258,90 243,25 140 25 80 20,42
12912500 25 269,00 253,32 140 25 80 22,06
12912600 26 279,10 263,41 150 25 80 24,09
12912700 27 289,20 273,49 150 25 80 25,88
12912800 28 299,30 283,57 150 25 80 27,66
12912900 29 309,50 293,66 150 25 80 29,53
12913000 30 319,60 303,75 150 25 80 31,44
12913100 31 329,70 313,83 150 25 80 33,44
12913200 32 339,80 323,92 150 25 80 35,49
12913400 34 360,00 344,10 150 25 80 39,81
12913500 35 370,10 354,20 150 25 80 42,08
12913600 36 380,30 364,29 150 30 80 44,35
12913800 38 400,50 384,48 150 30 80 49,22
12913800G 38 400,50 384,48 140 44 90 24,80
12914000 40 420,70 404,67 150 30 80 54,35
12914500G 45 471,30 455,15 140 44 90 32,00
12915700G 57 592,60 576,35 160 50 100 43,00
12917600G 76 784,60 768,30 180 50 100 62,50