Product Name:R-type Spherical Bearing Rubber and Pulley Plastic Coated Aluminum Profile Wrapped Rubber Wheel
Inner hole:5mm
Outer diameter:23.7mm
Thickness:6.8mm
Fit for:3D printers, engraving machines.
Made by high-quality 625ZZ spherical bearing encapsulation.
Sliding smoothly and silently.
Can bear large weight.