Fdit 20pcs V623ZZ V Groove Ball Carbon Steel Bearing Pulley for Rail Track Linear Motion System 3x12x4mm

Features

• HIGH QUALITY: These bearings are made from high quality carbon steel for durability and long service life.
• DOUBLE SHIELDED: They are double shielded to avoid contaminants entering and save lubricant.
• V GROOVE: Bearings have 1.4mm deep V groove that generally ride on a rail or track.
• PROFESIONAL BEARINGS: These are specialized bearings that are used in many linear motion systems.
• 20 PIECES INCLUDED: There comes total 20 pieces bearings which you may use for many different projects.