Product Name: Huzhou Zhongyou Customized Stainless Steel Roller with External Thread Installation: Turning Motor Type: Frequency Control Motor Surface Treatment: Electroplating Material: Carbon Steel Tube Material: Steel Z/P, Ss Tube Dia: 38/50/60mm Length: Can Be Customized Shaft Dia: Steel Z/P, Ss Transport Package: Carton with Fumigation, Carton with Woven Bag. Specification: dia50/60 Origin: Huzhou, Zhejiang, China HS Code: 8483190000 Product Description 1. Precesion ball bearing polymer bearing housing , end cap form the bearing unit which is very important . It is not only for good looding but also further more the smooth and quiet running.2. As the typical product in the gravity rolller series, it is widely applied, especially in the carton conveyring area. e.g airport luggage handling and logistics distribution center.3. Temperatue range: 0 to +40ºC4. The design of pwlymer bearing housing makes it able to operate in some special environment.5. The lubrication method of bearing could be oil lubricating or grease lubricating as requirement6. Suitable for the high speed conveying. Speed could vary according to diameter and length of roller, Max.speed up to 120m/min.7. Semi-precision bearing for option, smooth running, be used for gravity roller conveyor in low speed(<30m/min)8. The end cap of roller resist dust and water splash well in operation environment.