Spherical roller bearings: – K: Tapered bore, taper 1:12, DIMENSIONS: d: 70 mm, Bore diameter, D: 150 mm, Outside diameter, B: 35 mm, Width, d2: ≈101 mm, Shoulder diameter of inner ring, D1: ≈133 , Shoulder/recess diameter of outer rin, b: mm, Width of lubrication groove, K: 3 mm, Diameter of lubrication hol, r1,2, min.2.1 mm. Chamfer dimension, EAN: 316577 663757.