... manufacture 3.confirm you the quality you need Thrust ball bearing A.products1. Main products: 51100, 51200, 51300, 51400, 52200, ... .2. Material: GCr153. Application: Oil drilling machines, screw shaft of oceangoing freighters, combining driving machines, overhead cranes, heavy tower crane ... 2351136M 3.2351138190×240×374.0551138M 51140200×250×374.2051140M Bearing Price of High quality thrust ball ...