... radial load,with contact angles of 15°( used on high precision and high speed bearings)& 25 °& 40°,and machined brass or ... contact ball bearing:Oil pump,Roots blower,air compressor,transmission,fuel injecttion pump,printing machinery.. Specifications: Bearing Type:Angular ... Standard:ISOPrecision:P6,P5,P4Clearance:C1,C2,C3,C4Contact Angles:15, 25, 30, 40 degreesRaceway Material:GCr15(52100, 100Cr6)Ball ...