SKF 71909 CE/HCP4AH1 super-precision Angular contact ball bearings

d:45 mm; D:68 mm; B:12 mm; d1:52.7 mm; d2:51 mm; D1:60.3 mm; K:0.5 mm; C1:3.75 mm; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:14 mm; da min.:48.2 mm; db min.:47 mm; Da max.:64.8 mm; Db max.:66 mm; ra max.:0.6 mm; rb max.:0.3 mm; dn:54.2 mm; Basic dynamic load rating C:10.1 kN; Basic static load rating C0