Seiko series 22224, double row spherical roller bearing, there is a "heavy" rating and large floating roller to support high radial and axial load. Seiko 22224 series of spherical roller bearings have a high capacity of the steel cage, CN radial clearance, P5 accuracy lubricating the oil groove, the outer ring center and three oil hole, and a round hole for support high vibration of radial and axial load application, such as light rail wheel set. NSK technical data of 22224 eae4 spherical roller bearing: d: 120 mm. D: 215 mm. B: 58 mm quality: 8.8 kg of the following is a common NSK spherical roller bearing type: