SKF 71808 ACDGA/P4

Angular contact ball bearings, super-precision, – GA: Extra light or light preload (universally matchable bearings when arranged back-to-back or face-to-face), – P4: Dimensional and geometrical tolerances to ISO class 4, DIMENSIONS: d, 40 mm, Bore diamete, D: 52 mm, Outside diameter, B: 7 mm, Width, d1: 44.1 mm, Shoulder diameter of inner ring (large side face), d2: 44.1 mm, Shoulder diameter of inner ring (small side face), D1: 48.1 mm, Shoulder diameter of outer ring (large side face), r1,2: min.0.3 mm. Chamfer dimension (large side face), r3,4: min.0.15 mm. Chamfer dimension (small side face), a: 14.3 mm, Distance from side face to pressure point, EAN: 7 316574 367115.