30314D Single Row Tapered Roller Bearing 70x150x38mm Open Type For Truck Wheel Hub Axle Product Overview 30314D is a high-load single-row metric tapered roller bearing complying with ISO & JIS industrial standards, overall dimension 70×150×38 mm, widely adopted in automotive and heavy machinery transmission systems. It is manufactured from high-purity hardened GCr15 bearing steel, equipped with pressed steel stamping cage to guide tapered rollers evenly. The D upgraded