Aideepen 600P REncoder, 6mm Shaft, Wide Voltage, Compact and Small Size, Wear Resistant, Radial and Axial Load, Safe and Stable, Suitable for Various Applications (1200P/R): Amazon.com: Industrial & Scientific
Iron Sealed Ball Bearings, Deep Bearing Easy to Install Radial and Axial Load for Linear Motion Equipment 625 Iron Sheet Seal: Amazon.com: Industrial & Scientific