Ujk High Quality Deep Groove Ball Bearings Wheel Bearing Pillow Block Bearing Taper Roller Bearing Spherical Roller Bearing Angular Contact Ball Bearing Shandong UJK Bearing Co., Ltd. Base Info Description Pre：Diameter 31.5mm U Shape Stainless Steel Folding Door Bearing Wheel Next：Miniature Stainless Steel Ball Bearings Ball Bearing Manufacturer with Crown Retainer and Removable Shields
