Diameter 31.5mm U Shape Stainless Steel Folding Door Bearing Wheel Guizhou Yuancheng Industrial Co., Ltd. Base Info Description Pre：3Cr13 Aluminum Door Steel Wheel with 608zz Bearing Next：Ujk High Quality Deep Groove Ball Bearings Wheel Bearing Pillow Block Bearing Taper Roller Bearing Spherical Roller Bearing Angular Contact Ball Bearing
