NTN 7011UADG/GNP42U3G super-precision Angular contact ball bearings

d:55 mm; D:90 mm; B:18 mm; d1:66.9 mm; d2:64.3 mm; D1:78.1 mm; D2:83.5 mm; a:26 mm; Contact angle α:25 °; rs min:1.1 mm; r1s min:0.6 mm; f0:15.7; Precision class:P42; Mass:0.38 kg; Brand:NTN; Dynamic load, C:33.5 kN; Static load, C0:28.7 kN; Nlim (oil):22,600 rpm; Nlim (grease):14,000 rpm; Preload l