16-Pack RM2ZZ 3/8" V-Groove Guide Ball Bearings - Shielded W2ZZRM2ZZ V Groove Guide Bearings Pack of 16 3 8" Shielded Bearings for Linear Tracks This 16 pack of RM2ZZ V groove guide bearings is built for smooth, precise travel along V rails or round track systems. Ideal for CNC machines, 3D printers, and sliding gates, each bearing is shielded, pre greased, and ready for quiet, low friction motion. Size: 3 8" V groove (9. 525mm inner diameter) Outer diameter (D): 30. 73mm Bearing width (C): 10. 92mm Base width
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