SKF bearing 7004 CD/P4A/DGA catalogue: Type: Super precision-angular contact ball bearings-high speed Dimension: 20 mm x 42mm x 12mm Dynamic load rating: 8.71 Kn Static load rating: 4.3 Kn Grease lubrication speed: 43000 r/min Oil-air lubrication speed: 63000 r/min Weight: 0.068 KGS Origin: made in Italy SKF bearing designation: 70: bearing series, in accordance with ISO dimension series 10 04: (x5) 20mm bore diameter CD: 15•Contact angle P4A: Higher precision than P4 DG: Two bearings for universal matching A: light preload Contact: sales(at)hzskf.cn skype: lovejoanna8 www.industrybearing.com