• Ball bearing model 6801-2RS with dimensions of 12x21x5 mm • Constructed from chrome steel, complemented with double rubber seals for increased robustness and performance • Pre-lubricated to facilitate use and extend service life • Double sealing reduces the need for maintenance compared to other types of bearings • Deep groove ball bearing with shields for additional protection • Suitable for applications in DIY, 3D printers, industry, agriculture, engineering, garden machinery, motors, and generators