20pcs V623ZZ Carbon Steel Mini 90° V Groove Ball Bearing Pulley For Rail Track Linear Motion System 3x12x4mm

• 【DOUBLE SHIELDED】 The double shielded design of bearings ensure to avoid contaminants entering and save lubricant.
• 【HIGH QUALITY】 These bearings are made from high quality carbon steel for durability and long service life.
• 【APPLY TO】 These are specialized bearings that are used in many linear motion systems
• 【PRACTICAL】 There comes a total of 20 pieces bearings which you may use for many different projects.
• 【EXCELLENT PERFORMANCE】 Bearings have 1.4mm deep 90 ° V groove that generally ride on a rail or track.

Features: These bearings are made from high quality carbon steel for durability and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have 1.4mm deep V groove that generally ride on a rail or track. These are specialized bearings that are used in many linear motion systems. There comes total 20 pieces bearings which you may use for many different projects. Specifications: Material: Carbon steel Model: V623ZZ Inner Diameter: 3mm / 0.12" Outer Diameter: 12mm / 0.47" Height: 4mm / 0.15" V Groove Angle: 90° V Groove Width: 2.8mm / 0.11" V Groove Depth: 1.4mm / 0.05" Quantity: 20pcs Package Includes: 20 x Bearings