Torque Limiting Couplings Selection of Sprocket Wheels Size of sliding hub Sprocket wheel – Pitch x Width Dimensions [mm] 3/8" x 7/23" 1/2" x 5/16" 5/8" x 3/6" 3/4" x 7/16" 1" x 17,02mm 1 1/4" x 3/4" 1 1/2" x 1" 1 3/4" x 11/4" 2" x 1 1/4" Teeth width [mm] 5.3 7.2 9.1 11.1 16.2 18.5 24.1 29.4 29.4 00 13 11x 10x – – – – – – 21 31 6 0 19 15x 13x – – – – – – 35 46 6 01 23 18 16x 13x – – – – – 40 59 8 1 26 21 17 15x 12x – – – – 44 68 10 2 33 26 21 18 14x – – – – 58 89 12 3 – 32 27 23 17x 15x – – – 72 116 15 4 – – 32 27 21 17x – – – 85 142 18 5 – – 38 32 24 20 18x 15x 15x 98 172 20 6 – – – 37 28 23 20x 17x 17x 116 202 23 7 – – – 43 33 27 23 20x 19x 144 242 25 8 – – – – 39 32 27 24x 21x 170 287 25 9 – – – – 47 38 35 30x 25x 237 353 28 10 – – – – – 45 38 38 30 270 418 34 06 B1 08 B1 10 B1 12 B1 16 B1 20 B1 24 B1 28 B1 32 B1 m d1 d2 d 1 For best torque adjustment it is recommended to have the sprocket ground on both sides. d1 d2 m » Sprockets for roller chains DIN 8187 ISO R606B, sprockets for roller chains DIN 8188 on request. » When using double or triple sprockets the smallest number of teeth should be chosen 1 to 2 teeth larger. » Number of teeth marked with x have to be turned down evenly on both sides or have to be turned out (see also width of torque limiter). Note: When installing the sprocket the bushing has to be fitted. Length of bushing = sprocket + 1,5 x thickness of friction disc (see also torque limiters) Material of sprockets: C45 or other hardened steels. Hardness of teeth surface HRC 56 ± 2 www.jbj.co.uk/torque-limiting-couplings.html 6 #DriveLineHarmony
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