Amazon.com: POM Plastic Pulley Wheels with Bearings for Europe Standard 2020 Profile, Double V Groove Passive Perlin Wheel Linear Roller Guide Rollers for 3D Printer CNC Router (20-Pack) : Industrial & Scientific
HOW TO TAKE CARE OF RUBBER ROLLERS | Vintex Rubber Industries
Precision Elastomers, Inc. Products
Rubber Roller: What Is It? How Is It Made? Types, Uses
4*16*5 Polyurethane PU material rubber-coated bearing 604RS,sliding rollers diameter 16mm,thickness 5mm,604RS bearing bore 4mm. - AliExpress