Basic Info Rolling Body: Roller Bearings The Number of Rows: Single Outer Dimension: Small and Medium-Sized (60-115mm) Material: Bearing Steel Spherical: Spherical Bearings Load Direction: Radial Bearing Separated: Unseparated Additional Info Brand: RuiDe Transportation: Ocean,Land Place of Origin: china Certificate: ISO9001 Product Description Continuous Food Freeze Dryer Machine 1.low temperature drying 2.fast speed,high eficient 3.batch to dry 4.puffing function 5.high quality drying machine for food www.rddryer.com/the-vacuum-freeze-drier/37578584.html www.rddryer.com/the-vacuum-freeze-drier