uxcell 8pcs Nylon Pulley U-Groove Ball Bearing 6x27x7mm U Groove Roller Wheel (GCr15) Chrome Steel Bearing AB EC3

U groove bearing: Inner diameter = 6mm, Outer diameter = 27mm, Thickness = 7mm, Groove width = 3.5mm, Groove depth = 2.5mm Bearing steel (GCr15) and nylon lace, high hardness, excellent abrasion resistance, stable performance and long life Shielded on both sides to hold and protect against dirt and foreign objects AB EC3 precision for smooth operation and precise linear motor guidance Precision bearings for rail track systems Suitable for 3D printers, aluminum doors and windows, sliding doors, pulleys and drawers, household appliances etc

We will only accept returns if the item is different from the picture shown

on the product page or is not in the same condition as the product description.

All items are 100% authentic: we verify authenticity before selling.