Ball Casters
Bearing 500KG 3 Inch Cast Steel Track Wheel With Bearing Stable Durable For Sliding Door Lifting Pulley Industrial Hardware 1Pcs
Parameters

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Wheel Diameter: 3 inches/(80MM)
Groove shape : U, V , H (Please tell us the shape you need )
Bearing:500KG/pcs
Overall cast steel, Precision CNC machine tools processing
Application:Track door,Lifting equipment
Bearing strong
Flexible rotation
Strong and durable.
Package quantity : 1 pcs