Product Name: Factory Production/ Wholesale/ High Speed/ Cylindrical Roller Bearing Model NO.: TR Separated: Separated Load Direction: Radial Bearing Spherical: Non-Aligning Bearings Material: Bearing Steel Outer Dimension: Medium and Large(120-190mm) The Number of Rows: Single, Double, Four-Column Rolling Body: Cylinder Friction: Small Speed: Fast Tightness: Well Dustproof: Well Waterproof: Well Service Temperature Range: -10