10-PACK-FR4-ZZ C3 Premium Flange Bearing 1/4×5/8×10/51″ Sealed Steel Flange
Sealed (Designation Suffix RS/2RS) – Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings. Chromium Steel (GCr15) is made with heat treating, provides high and uniform hardness, good wear resistance.