... sleeve width for single side timing belt is 450mm. transmission belts :Shaoxing CSHBELT Co., Ltd. is a leading manufacturer of ... products are widely applied in the industrial synchronous system, including power synchronous, linear motion and so on.The sizes we have ... , S8M, S14M, S20M, RPP3M, RPP5M, RPP8M, RPP14M and special sizes. transmission belts