... . Seal form: open style, Z, ZZ, RS, 2RS, 2RZ2. Bearing stop ring: N,NR3. Class of precision: ABEC-1, ABEC-3, ABEC ... in a wide variety of seal, shield and snap-ring arrangements. The bearing ring grooves are circular arcs made slightly larger than the ... outer ring shoulders). Deep Groove ball bearings can sustain radial, axial, or composite loads and because of simple design, this bearing type ...