Brand name: HUNST1. Double-sided rubber cover/bearing steel/standard clearance/outer ring U-shaped groove.2. Bearing steel has high and uniform hardness and wear resistance, as well as high elastic limit.3. The chamfering is smooth and clear. Smooth and efficient.4. SG15 pulley settings of carbon dioxide laser cutting machine.5. Please refer to the picture before ordering, and then select the correct type of bearing.6. Cantidad de producto: ( 1 juego) Todas las piezas de la primera foto, 4 poleas SG15, 4 tornillos, 2 excéntricas.Company Profile:Dongguan HUNST Laser Technology Co., Ltd. was established in 2008 and is located in Dongguan, Guangdong, a world-famous manufacturing city. It is a high-tech enterprise specializing in the R&D, production and sales of mid-to-high-end industrial laser equipment and related spare parts.Dongguan HUNST Laser Technology Co., Ltd. relies on the developed light industrial machinery and complete supply chain in the Pearl River Delta. After years of steady development, it has high-quality employees with various professional skills. Now it has a variety of product lines, covering carbon dioxide laser cutting machines, laser engraving machines, large laser cutting machines, laser marking machines and a full range of laser accessories. Product application fields include: textile, leather, clothing, industrial cloth, advertising, handicrafts, printing, packaging, electronics, medicine, hardware tools, molds and many other industries.The company has a complete and scientific quality management system. The products are exported to Southeast Asia, Europe, North and South America, the Middle East, Oceania and other countries and regions, and are well received by customers at home and abroad.Dongguan HUNST Laser Technology Co., Ltd.s integrity and product quality have been recognized by the industry. The product has passed the EU CE certification and is an export-oriented member company of Alibaba Group.Friends from all walks of life are welcome to visit, provide guidance and negotiate business.