Product Name: Hydroelectric Generators, Vertical Motors, Ship Propeller Shafts, Reducers for Rolling Screw Rods of Rolling Mills to Bidirectional Thrust Round Roller Bearings Model NO.: 2Y431Z-2 Separated: Separated Load Direction: Thrust Bearing Spherical: Non-Aligning Bearings Material: Bearing Steel Outer Dimension: Extra Large (440mm) The Number of Rows: Double Rolling Body: Roller Bearings Trademark: RJ Transport Package: Shipping Wooden Cases Specification: The inner diameter is above 70mm Origin: Dalian Product Description Hydroelectric generators, vertical motors, ship propeller shafts, reducers for rolling screw rods of rolling mills, tower cranes, coal mills, extruders, forming machines, oil drilling rigs, iron and rigid machinery, crane hooks, petroleum Drilling rig swivel, rolling mill roll neck