Altra is a leading multinational designer, producer and marketer of a wide range of mechanical power transmission products. Altra also provides products for use in a wide variety of high-volume manufacturing processes, where the reliability and accuracy of our products are critical in both avoiding costly down time and enhancing the overall efficiency of manufacturing operations. The Altra product portfolio includes industrial clutches and brakes, enclosed gear drives, open gearing, couplings, machined-race bearings, variable frequency and belted drives, linear actuators and other related products.