Norma 310PP 310 Bearing, Deep Groove Single Row Double Sealed, 50 mm Bore
Norma 310PP is a single-row, deep-groove ball bearing that is double-sealed. Bearing Type Deep Groove Ball Bearing, Single Row. 3,940 RPM (grease) to 7,000 RPM (oil, open bearing). Overall Width 27 mm (1.063 in).