Sealed UPVC Sliding Door Bearing Wheels Rollers For Garage Door Self Lubricated High carbon steel material bearing wheels designed for sliding doors with various size options. Product Attributes Attribute Value Bearing Type Deep Groove Ball Bearing Material High carbon steel Precision Grades ABEC 1/3/5/7/9 Clearance C0 (normal) to C5 (high) Cage Steel, Nylon Seals/Shields Rubber (RS), Metal (ZZ) Product Advantages Versatile: Handles both radial and axial loads Low maintenance
