Deep groove ball bearings – 2RS1: Contact seal, NBR, on both side s: DIMENSIONS: d: 10 mm, Bore diamete, D: 26 mm Outside diamete, B: 8, Width, d2: ≈13.9 mm, Recess diameter, D2: ≈22.38 mm Recess diameter, r1,: min.0.3 mm, Chamfer dimension, EAN: 7 316570 476804.