LR50/7NPPU Track Roller Bearing - 2-Row - Sealed - 7x22x10mmLR50 7NPPU Track Roller Bearing Double Row Sealed Ball Bearing 7mm x 22mm x 10mm The LR50 7NPPU is a compact and durable double row track roller bearing designed for guiding linear motion in automation and machinery systems. With its sealed design, it resists contaminants while maintaining smooth operation at speeds up to 10,000 RPM. Type: Track Roller Double Row Bearing Size: 7mm (ID) x 22mm (OD) x 10mm (Width) Material: High quality steel with