Tapered Roller Bearings, Auto Bearing, Pillow Block Bearing manufacturer / supplier in China, offering Steel Sliding Rollers Wheel Roller Length 900 mm Width 20mm Wheel Height 78 Dimensions of The Hanging Wheel Track Pulley, Steel Sliding Rollers Wheel Roller Length 800 mm Width 20mm Wheel Height 78 Dimensions of The Hanging Wheel Track Pulley, Steel Sliding Rollers Wheel Roller Length 170 mm Width 26mm Wheel Height 23 Dimensions of The Hanging Wheel Track Pulley and so on.