Quality Transmission Components announces the availability of their free catalog Q470. This 352-page catalog contains over 16,000 off-the-shelf standardized components for use in MRO, R&D and production applications. The catalog, in its six chapters, details the specifications of their complete product offering of timing pulleys, timing belts, bushings, belt clamping kits, roller chain sprockets, roller chains, diametral pitch gears, belt and chain tensioners, sonic tension testers and planetary gearheads. Chapter #1 details the company's offering of metric and inch bored timing pulleys made from carbon steel, nylon and aluminum in AT5, AT10, T2.5, T5, T10, HTD3, HTD5, HTD8, MXL, XL & L profiles. Chapter #2 details their offering of fiberglass reinforced neoprene timing belts in AT5, AT10, T2.5, T5, T10, HTD3, HTD5, HTD8, MXL, XL & L profiles as well as belt clamping kits for GT2, GT3, GT5 & GT8 profiles and sonic tension testers. Chapter #3 details the company's offering of over 100 styles of timing belt, v-belt and roller chain tensioners. Chapter #4 details their offering of metric and inch bored roller chain sprockets made from carbon steel to the ISO 04B, ISO 05B, ISO 06B, ISO 08B & ISO 10B standards and the AISI standards #25, #35, #40, #41 & #50. The chapter also details the offering of corresponding roller chains and connecting links. Chapter #5 details the company's offering of diametral pitch spur gears, miter gears, bevel gears, gear racks and worm & worm wheels. Chapter #6 details their offering of inline planetary gearheads in speed ratios of 3:1 thru 81:1 in 3 different frame sizes and 3 different levels of backlash. When combined with its metric gear offering, Quality Transmission Components - QTC, a leading supplier of power transmission components to industry, supplies over 25,000 standardized components to companies that are varied as the Fortune 100 to national distributors to local machine shops and hobbyists.